When Is Artificial Fertilisation Recommended? The Decision Path From Simple Options to IVF

The pregnancy test sits on the bathroom sink for the fourteenth month in a row, and this time the couple does not even look at it together. One of them has already started a spreadsheet of cycle dates. The other has stopped asking. Somewhere between the first casual “we’ll see what happens” and now, a private question has hardened into a medical one: is it time for help, and how much help?

That question, when is artificial fertilisation recommended, has a clearer answer than most people expect. Fertility medicine is not a single leap to IVF. It is a staircase, and most people who walk into a clinic do not climb all of it. The steps have names, typical waiting times, and reasonably firm rules about who moves up and who is asked to give nature a little longer.

This article lays out that staircase from the bottom, in plain language, with the numbers that mainstream guidelines actually use.

What does artificial fertilisation actually mean?

Search engines fill with the phrase artificial fertilisation, but you will rarely hear it inside a clinic. Doctors say assisted reproductive technology, or ART, and they mean any treatment in which eggs, sperm or embryos are handled outside the body or placed inside it by a clinician rather than by intercourse. In US clinics you will see the spelling fertilization; the meaning is identical.

Under that umbrella sit three things that are often confused. The first is ovulation induction: medicines that prompt the ovaries to release an egg on a predictable schedule. Strictly speaking, nothing artificial happens to the egg itself, which is why some guidelines list it as a step before ART rather than part of it. The second is intrauterine insemination, or IUI: washed, concentrated sperm is placed directly into the uterus around ovulation, shortening the distance sperm must travel. The third is in vitro fertilization, IVF, in which eggs are collected, combined with sperm in a laboratory dish, and one resulting embryo is transferred back into the uterus. A variation called intracytoplasmic sperm injection, ICSI, has an embryologist inject a single sperm into each egg, used mainly when sperm numbers or movement are very low.

The differences matter because they carry different burdens. IUI is a brief outpatient procedure with few side effects. IVF involves one to two weeks of daily injections, a minor surgical egg collection under sedation, and a laboratory stage, according to Mayo Clinic’s description of the process. Nobody should be recommended the third when the first would do, and nobody should be kept on the first when the evidence says it cannot work for them.

Roughly one in six adults worldwide experiences infertility at some point, the World Health Organization estimates. That scale is worth holding onto. The path described here is not an exotic one; it is well trodden, and its rules exist precisely because so many people need them.

When is artificial fertilisation recommended? The starting rule

Almost every guideline begins with a clock rather than a treatment. Infertility is defined by the WHO as failure to achieve a pregnancy after 12 months or more of regular unprotected sexual intercourse. That definition sets the first threshold: for most couples under 35, doctors recommend trying for a full year before formal investigation, because the majority will conceive in that time without help. The NHS notes that around 84 out of 100 couples having regular unprotected sex will conceive naturally within a year.

Age shortens the clock. Mayo Clinic and most national bodies advise seeking assessment after 6 months of trying when the woman is 35 or older, because egg quantity and quality decline more steeply after the mid-thirties and a year of waiting costs more. Past 40, many teams will begin the workup straight away.

Known problems override the clock entirely. If periods are absent or very irregular, if there is a history of pelvic infection, endometriosis or pelvic surgery, if either partner has had cancer treatment, or if a previous semen analysis was abnormal, guidelines recommend early referral rather than a year of hopeful waiting. The same applies to same-sex couples and single people who need donor sperm or eggs, for whom the question was never about time.

So the honest first answer to when is artificial fertilisation recommended is: not yet, for most people at the beginning. What is recommended is investigation, on a timescale set by age and history. Treatment is chosen only once the investigation has said something. Skipping that order is one of the most common ways people end up with a treatment that does not fit the cause.

What happens first: the workup before any treatment is offered

Before a single medicine is prescribed, a reputable team wants to answer three questions. Is an egg being released each cycle? Is the sperm capable of reaching and fertilizing it? Is the path between them open?

The first question is answered with a menstrual history and blood tests timed to the cycle, typically checking hormones that reflect ovulation and ovarian reserve, the term for the remaining supply of eggs. A pelvic ultrasound looks at the ovaries and the lining of the uterus.

The second is a semen analysis: a laboratory count of sperm number, movement and shape. MedlinePlus notes that a male factor contributes in a substantial share of infertility cases, which is why the analysis is standard for every couple, not an afterthought. It is quick, non-invasive and can redirect the entire plan, because low sperm quality points toward IUI or ICSI rather than months of ovulation medicines that would treat a problem the woman does not have.

The third question, whether the fallopian tubes are open, is usually answered with an imaging test in which dye is passed through the tubes under X-ray or ultrasound. Blocked tubes make IUI pointless, since sperm and egg still cannot meet, and move a couple directly toward IVF.

Both partners are also screened for infections and asked about smoking, alcohol, weight, medicines and occupational exposures, each of which has evidence linking it to fertility. The whole workup commonly takes a few cycles to complete because several tests must be timed to specific days.

The result is a label. It may be an ovulation disorder, a tubal factor, a male factor, endometriosis, a uterine problem, or, in a sizeable minority, unexplained infertility. That label is what determines which step of the staircase you start on.

Step one on the path: timing, lifestyle and treating the cause

The lowest step is not a procedure at all. When the workup finds a specific, fixable cause, guidelines say to fix it before anything else. A thyroid disorder that has stopped ovulation is treated by an endocrinologist, and periods often return. Very high prolactin, a hormone that can suppress ovulation, is managed medically. Some uterine fibroids or polyps that distort the cavity can be removed surgically. Mild endometriosis may respond to laparoscopic treatment. In each case the aim is the same: restore the conditions for unassisted conception, so that assisted conception is never needed.

For couples with no such finding, the first advice concerns timing. Ovulation usually happens around 14 days before the next period; intercourse every two to three days across the cycle covers the fertile window without the stress of test-driven scheduling, an approach the NHS recommends over rigid timing.

Lifestyle is where the evidence is often overstated in both directions. Smoking measurably reduces fertility in both sexes and increases miscarriage risk; stopping is one of the few changes with strong evidence. Body weight at either extreme can disrupt ovulation and sperm production, and modest weight change in either direction has restored cycles in some women, though it is not a promise. Heavy alcohol use harms sperm quality. Beyond those, the supplement aisle offers far more confidence than the research supports, and folic acid for pregnancy preparation is the one clear recommendation.

How long to stay on this step is a judgment the treating team makes with you, weighing age, how long you have already tried, and the cause. For a 28-year-old with slightly irregular cycles and no other finding, another six months of well-timed trying may be entirely reasonable. For a 39-year-old, the same advice would waste time that matters.

Ovulation induction: how medicines nudge the ovaries

When the workup shows that eggs are not being released, or not released reliably, the next step is ovulation induction. This is the most common first medical treatment and the one most often mistaken for IVF by worried relatives.

The mechanism is straightforward. In a normal cycle, the brain releases hormones that tell one follicle in the ovary to mature and rupture. In conditions such as polycystic ovary syndrome, the commonest cause of ovulation problems, that signal misfires and follicles stall. Oral medicines in the selective estrogen receptor modulator class or the aromatase inhibitor class trick the brain into sending a stronger signal by lowering the estrogen feedback it detects. Injectable gonadotropins, which are the same hormones the body would make, stimulate the ovary directly and are used when tablets fail or when the pituitary itself is underactive.

Treatment is monitored with ultrasound to count and measure the follicles, and sometimes with blood tests. The monitoring is not optional. Its purpose is to make sure one or two follicles are growing, not five, because the main risk of this step is multiple pregnancy, which carries higher rates of prematurity and complications for both mother and babies. Which medicine, what schedule and how many cycles are decisions for the prescribing clinician; typical courses run for a limited number of cycles before the team reassesses rather than continuing indefinitely.

For a woman who does not ovulate but whose tubes are open and whose partner’s sperm is normal, this step alone is often the recommended treatment, and IVF is not on the table unless it fails. That is a distinction worth understanding: many people who need fertility help never need artificial fertilisation in the stricter sense at all.

How does intrauterine insemination work, and when is it the right step?

Intrauterine insemination is the middle step on the staircase and the one many couples reach first. The appeal is its simplicity. A semen sample is prepared in the laboratory so that the most motile sperm are concentrated in a small volume, then a clinician passes a thin, flexible catheter through the cervix and releases the sample into the uterus. Mayo Clinic describes the placement itself as taking only a minute or two, with no anesthesia, and most people return to normal activity the same day. A pregnancy test follows about two weeks later.

Timing is everything. The insemination must coincide with ovulation, so it is either tracked with home ovulation kits in a natural cycle or synchronized with ovulation-inducing medicines and a trigger injection that fixes the moment of egg release. Ultrasound monitoring often accompanies the medicated version.

IUI makes sense when the obstacle is one that shortening the journey can solve. Guidelines and Mayo Clinic list its main uses: mild male-factor infertility, where sperm numbers or movement are somewhat reduced; cervical factor, where mucus is hostile to sperm; unexplained infertility; ejaculation difficulties; and any situation using donor sperm, including single women and female couples. It requires at least one open fallopian tube and a reasonable sperm count after preparation.

Where it does not help is equally clear. Blocked tubes, severe male-factor infertility, or significant endometriosis are all situations where the NHS and Mayo Clinic note IUI is unlikely to work, and a team that recommends it anyway is asking you to spend cycles on a step the evidence has already ruled out.

The number of IUI attempts before moving on is a clinical decision. Several national guidelines have historically used a limited run of cycles as the point at which IVF becomes appropriate if pregnancy has not occurred.

When is IVF recommended, and when does the team skip straight to it?

IVF is the top of the staircase, and there are two routes to it: climbing, or being lifted straight there.

The climbing route is the one most people picture. Ovulation induction or IUI has been tried for a reasonable run and pregnancy has not followed. The UK’s National Institute for Health and Care Excellence guidance, as summarized by the NHS, recommends that IVF be offered to women under 40 who have been trying to conceive through regular unprotected intercourse for two years, or who have not conceived after 12 cycles of artificial insemination. For women aged 40 to 42 the same guidance is narrower, allowing a single cycle if certain conditions about ovarian reserve and prior treatment are met. Other countries phrase their thresholds differently, but the principle that IVF follows time and failed simpler steps is nearly universal.

The lifted route bypasses all of that because the diagnosis makes lower steps futile. Mayo Clinic lists the situations: fallopian tubes that are blocked or absent, since sperm and egg can never meet inside the body; severe male-factor infertility, where sperm are too few or too immobile for insemination but can fertilize an egg in the laboratory, often with ICSI; moderate to severe endometriosis; premature loss of ovarian function, where donor eggs may be needed; and known genetic conditions where embryos can be tested before transfer. Fertility preservation before cancer treatment is another direct entry, because freezing eggs or embryos must happen before therapy begins.

Age can also shorten the climb. A team may reasonably move a 40-year-old to IVF after a brief attempt at simpler treatment, on the grounds that each month of declining ovarian reserve costs more than the simpler steps are likely to gain. That is a judgment about odds, not a rule, and it belongs to the treating team in conversation with you.

IUI vs IVF: which first? A side-by-side view

People ask this as if it were a preference, like choosing between two routes home. It is closer to choosing the right tool for a specific fault. The table below summarizes the distinctions that guidelines and major clinics actually use.

Feature	Ovulation induction	Intrauterine insemination (IUI)	In vitro fertilization (IVF)
What happens	Medicines prompt the ovary to release an egg; conception happens through intercourse	Prepared sperm is placed in the uterus at ovulation	Eggs are collected, fertilized in a laboratory, and one embryo is transferred
Main use	Absent or irregular ovulation with open tubes and normal sperm	Mild male factor, cervical factor, unexplained infertility, donor sperm	Blocked tubes, severe male factor, endometriosis, failed simpler steps, genetic testing, fertility preservation
Requires open tubes	Yes	Yes, at least one	No
Typical burden per cycle	Tablets or injections, ultrasound monitoring	Optional medicines, monitoring, a brief office procedure	One to two weeks of injections, sedated egg retrieval, laboratory stage, transfer (Mayo Clinic)
Key risk	Multiple pregnancy	Multiple pregnancy if medicated	Ovarian hyperstimulation, procedural risks, multiple pregnancy if more than one embryo is transferred

The pattern is that each step up buys the ability to overcome an obstacle the step below cannot, at the price of more medicine, more procedure and more risk. That is why the answer to “which first” is almost always: the lowest step that can plausibly work for your diagnosis. A team that starts with IVF for a couple whose only finding is irregular ovulation is climbing higher than the evidence requires. A team that keeps a couple with blocked tubes on IUI is refusing to climb at all.

Two other factors shift the calculation. Age pushes teams toward earlier IVF because time is the scarcest resource. And the number of simpler cycles already tried matters; the NHS-summarized guidance uses a defined run of insemination cycles as its trigger for moving on.

Who is usually offered treatment, and who is usually asked to wait

Fertility teams say no, or not yet, more often than people realize, and the reasons are usually about evidence rather than gatekeeping.

The first group asked to wait is couples who simply have not tried long enough. Under 35 with regular cycles and no red flags, a year of trying is the standard before investigation, because most will conceive without help and testing earlier creates anxiety without changing outcomes. The NHS adds a sobering counterweight: for couples who have been trying for more than three years, the chance of conceiving naturally in the following year drops to one in four or less. Waiting has a shelf life.

The second group is people whose workup found something treatable upstream. Someone with an untreated thyroid problem or a correctable uterine polyp will usually be asked to address that first, since it may solve the problem outright and, if not, improves the odds of whatever comes next.

The third group is people in whom a particular treatment cannot work. IUI is not offered when tubes are blocked. Ovulation induction is not offered to someone who already ovulates normally, because it adds risk without addressing a fault.

Teams also consider health factors that make pregnancy itself riskier or that worsen treatment outcomes. Smoking, very high or very low body weight, uncontrolled diabetes or blood pressure, and some medicines are often addressed before starting, both for the pregnancy’s sake and because guidelines link them to poorer results. This is framed as preparation, not punishment, and a respectful team will say so.

Finally, people who do not need to wait: anyone with a known cause, anyone over 35 who has tried six months, anyone facing gonadotoxic treatment such as chemotherapy, and anyone needing donor gametes. For them, early referral is the recommendation, and delay is the thing to avoid.

What actually happens in an IVF cycle, week by week

For people who reach the top step, the unknown is usually more frightening than the reality. Mayo Clinic describes a single IVF cycle as taking roughly two to three weeks from the start of stimulation to embryo transfer, and it unfolds in predictable phases.

The first phase is ovarian stimulation. Daily injections of gonadotropin hormones encourage several follicles to grow at once rather than the usual one. This lasts about one to two weeks according to Mayo Clinic, with ultrasound scans and blood tests every few days to track follicle size and hormone levels. A second medicine prevents the body from ovulating early. Side effects in this phase commonly include bloating, mood changes and breast tenderness.

When the follicles reach the target size, a trigger injection sets ovulation in motion, and egg retrieval is scheduled about 34 to 36 hours later, before the eggs would be released on their own. Retrieval takes place under sedation: a needle guided by ultrasound passes through the vaginal wall into each follicle and draws out the fluid containing the egg. The procedure itself is brief, and most people go home the same day with cramping and some spotting for a day or two.

In the laboratory, eggs are combined with sperm, or each egg is injected with a single sperm in ICSI, and checked the next morning for fertilization. Embryos are cultured for several days; transfer of a single embryo typically happens within the first week after retrieval, or embryos are frozen for a later cycle.

Transfer is a simple catheter procedure without anesthesia, similar in feel to IUI. Then comes the hardest part, waiting: Mayo Clinic notes a blood pregnancy test is usually done at least 12 days to two weeks after egg retrieval. Those days are ordinary from the outside and anything but from the inside.

Unexplained infertility treatment options: what the evidence says

Roughly a quarter of couples finish the workup with every test normal and no pregnancy. This is unexplained infertility, and it is the diagnosis people find hardest to accept, because it feels like being told nothing is wrong when something plainly is. In truth it means the current tests cannot see the problem, not that there is none. Subtle egg quality issues, sperm function defects that a standard count cannot detect, and implantation problems are all suspected contributors.

The treatment path here has changed with the evidence. For years, couples with unexplained infertility were offered ovulation-inducing tablets on their own, on the theory that releasing an extra egg or two would help. Trials found this added little over well-timed intercourse while adding the risk of twins, and UK guidance summarized by the NHS no longer recommends oral ovulation medicines for unexplained infertility in women who already ovulate normally.

What is recommended is a period of expectant management, meaning continued regular intercourse with good general health, for couples who have been trying less than two years and where the woman is younger. When that window closes, the NHS-summarized guidance moves to IVF rather than to IUI, on the grounds that IVF both treats and partly diagnoses by revealing how eggs fertilize and embryos develop.

Other bodies still include a limited run of medicated IUI as a middle step for unexplained infertility, and Mayo Clinic lists unexplained infertility among IUI’s common indications. This is a genuine area of disagreement between guidelines, and an honest team will tell you so. What both approaches agree on is the sequence: do not rush to treatment while the odds of natural conception remain reasonable, and do not linger on a low step once age or elapsed time has eroded them.

Risks and alternatives in plain language

No step on the staircase is free of risk, and the risks scale with the step.

Multiple pregnancy is the thread running through all of them. Any treatment that prompts more than one egg, or transfers more than one embryo, raises the chance of twins or more, and twins carry higher rates of preterm birth, low birth weight and pregnancy complications for the mother. The modern answer is restraint: careful monitoring to limit follicle numbers, and, in IVF, transferring a single embryo whenever the embryo quality allows. The NHS notes that reducing multiple births has been a deliberate goal of IVF practice.

Ovarian hyperstimulation syndrome, or OHSS, belongs mainly to injectable stimulation. The ovaries over-respond, swelling and leaking fluid into the abdomen. Mild cases cause bloating and discomfort; severe cases, which are uncommon, can cause rapid weight gain, breathing difficulty and blood clots and need hospital care. Monitoring during stimulation exists largely to catch the early signs.

Egg retrieval carries the risks of any needle procedure: bleeding, infection, and rarely injury to bowel or bladder, plus the small risks of sedation. Ectopic pregnancy, where the embryo implants outside the uterus, most often in a tube, is somewhat more likely after fertility treatment than after natural conception, according to Mayo Clinic, which is why early scans are routine.

The emotional load is real and under-discussed. Cycles fail more often than they succeed at every age, waiting periods are hard, and relationships strain. Counseling is recommended by most guidelines as part of care, not as an admission of weakness.

Alternatives deserve equal airtime. Continuing to try naturally, using donor eggs or sperm, using a gestational carrier, adoption, and choosing to stop are all legitimate paths. A good team names them without pressure and lets the decision rest where it belongs, with you.

What people often get wrong about artificial fertilisation

The myths around fertility treatment are stubborn, and several of them steer people toward the wrong step.

The first is that fertility help means IVF. It does not. Ovulation induction and IUI resolve a large share of cases, and many couples referred to a fertility clinic never have an egg collected. Assuming IVF is the only option leads some to delay seeking care out of dread, and others to push for a treatment more invasive than their diagnosis warrants.

The second is that infertility is a women’s problem. Male factors contribute in a substantial proportion of couples, and a semen analysis is one of the simplest, most informative tests in the workup. Skipping it, or leaving it until after months of treating the female partner, is a genuine and common error.

The third is that success is mostly about the clinic. Age is the dominant variable. The NHS publishes national live-birth rates per IVF cycle that fall steadily with the woman’s age, from around one in three cycles for women under 35 to a small fraction of cycles for women over 44. Those are population averages, not predictions for any individual, but the shape of the curve is what every honest conversation about timing rests on.

The fourth is that relaxing, going on holiday or “just stopping trying” fixes infertility. Stress does not cause blocked tubes or a low sperm count. Stories of relaxed couples conceiving are memorable precisely because they are exceptions; the couples who relaxed and did not conceive do not become anecdotes.

The fifth is that supplements, special diets or unproven add-on procedures materially change outcomes. For most, the evidence ranges from absent to weak. Folic acid, stopping smoking and a healthy weight have support; the rest should be discussed frankly with your team rather than assumed.

Questions to ask your care team

The most useful thing you can bring to a fertility consultation is a list. Appointments are short, the vocabulary is unfamiliar and the emotions run high. These questions are designed to make sure you leave understanding where you are on the staircase and why.

• What has the workup found, in plain words, and what has it ruled out? Ask specifically about ovulation, sperm quality and tubal patency, the three pillars of the assessment.
• Which step are you recommending we start on, and what about our results points to that step rather than the one below or above it?
• If we are being asked to wait, what is the reasoning, how long, and what would change the plan sooner?
• How many cycles of this treatment would you try before reassessing, and what would a reassessment look like?
• How does my age, or my partner’s, affect the timing you are proposing?
• What monitoring will happen during treatment, and what is it watching for?
• What are the main risks of this step for us specifically, including multiple pregnancy and, for injectable stimulation, ovarian hyperstimulation?
• Will a single embryo be transferred, and if not, why?
• Are there any add-on tests or procedures you would suggest, and what does the evidence say about each?
• What are the alternatives, including doing nothing further, and how would you weigh them for us?
• Who do I contact, and how quickly, if something feels wrong during a cycle?
• Is counseling available as part of care?

Write the answers down or ask permission to record them. Ask for anything unclear to be repeated. A team confident in its reasoning will welcome the scrutiny; the recommendation should survive being explained, and you are entitled to hear it explained more than once.

When to call your doctor

Most of the fertility path involves scheduled appointments and patient waiting, but a few situations should not wait for the next visit.

Before any treatment, see a doctor rather than continuing to try if you are under 35 and have tried for a year, if you are 35 or older and have tried six months, or straight away if periods are absent or very irregular, if you have had pelvic infection or surgery, if there is known endometriosis, if a semen analysis was abnormal, or if either partner has had chemotherapy or radiotherapy. Painful periods that are getting worse, pain with intercourse, or bleeding between periods also warrant assessment on their own.

During ovarian stimulation or after egg retrieval, contact your clinic the same day if you notice rapid abdominal swelling, weight gain of several pounds over a day or two, severe or worsening abdominal pain, nausea and vomiting that prevent you keeping fluids down, or passing much less urine than usual. These can signal ovarian hyperstimulation syndrome. Seek emergency care immediately for shortness of breath, chest pain, or a swollen, painful calf, which may indicate a blood clot.

After retrieval, transfer or insemination, call for fever, heavy vaginal bleeding that soaks a pad in an hour, foul-smelling discharge, or pain that is escalating rather than settling.

If a pregnancy test is positive, report one-sided lower abdominal pain, shoulder-tip pain, dizziness or fainting, or vaginal bleeding urgently, because ectopic pregnancy is somewhat more likely after fertility treatment and needs prompt evaluation.

And call if the emotional strain becomes more than you can carry. Low mood, persistent anxiety, or thoughts of self-harm during treatment are reasons to reach out, not signs of failing at it. Your treating team, or an emergency service if you are in crisis, would rather hear from you early than late.

Frequently asked questions

When is IVF recommended over simpler fertility treatments?

IVF is recommended either after simpler steps have failed over a defined period or immediately when the diagnosis makes them pointless. UK guidance summarized by the NHS suggests offering IVF to women under 40 after two years of trying or 12 insemination cycles. Blocked tubes, severe male-factor infertility, significant endometriosis and fertility preservation before cancer treatment are reasons teams go straight to IVF. The decision rests with the treating team.

IUI vs IVF: which first?

The lowest step that can plausibly work for your diagnosis comes first. IUI is usually tried first for mild male-factor infertility, cervical factor, donor sperm use or unexplained infertility when at least one tube is open. IVF comes first when tubes are blocked, sperm quality is severely reduced, or age and time already spent make further simpler cycles a poor use of months. Your team weighs these factors with you.

How does intrauterine insemination work?

A semen sample is washed and concentrated in the laboratory, then a clinician passes a thin catheter through the cervix and releases the sperm into the uterus at the time of ovulation. Mayo Clinic describes the placement as taking a minute or two without anesthesia. Timing is set with ovulation kits or medicines and a trigger injection, and a pregnancy test follows about two weeks later.

What are the unexplained infertility treatment options?

Options include a period of continued trying with good general health, medicated intrauterine insemination, and IVF, and guidelines differ on the order. UK guidance summarized by the NHS advises against oral ovulation medicines alone for women who already ovulate and moves to IVF after the waiting period, while other bodies include a limited run of IUI first. An honest team will explain which approach it follows and why.

How long should we try before seeing a fertility doctor?

The WHO definition and most guidelines use 12 months of regular unprotected sex for women under 35, and 6 months for women 35 and older. See a doctor straight away, regardless of time, if periods are absent or very irregular, if there is a history of pelvic infection, surgery or endometriosis, if a semen analysis was abnormal, or if either partner has had cancer treatment.

Does artificial fertilisation always mean injections?

No. Ovulation induction often uses oral tablets rather than injections, and intrauterine insemination can be done in a natural cycle with no medicines at all. Daily injections are mainly a feature of IVF and of injectable ovulation induction used when tablets have not worked. Which approach applies depends on the diagnosis, and the prescribing clinician decides the medicine and schedule.

How long does one IVF cycle take?

Mayo Clinic describes a single cycle as roughly two to three weeks from the start of ovarian stimulation to embryo transfer. Stimulation lasts about one to two weeks, egg retrieval happens around 34 to 36 hours after the trigger injection, and transfer follows within the first week after retrieval. A pregnancy blood test is usually done at least 12 days to two weeks after retrieval.

What are the main risks of fertility treatment?

Multiple pregnancy is the shared risk across ovulation induction, IUI and IVF, and it raises rates of preterm birth and maternal complications. Injectable stimulation carries a risk of ovarian hyperstimulation syndrome. Egg retrieval carries small risks of bleeding, infection and sedation. Ectopic pregnancy is somewhat more likely after treatment, according to Mayo Clinic. Emotional strain is common and counseling is recommended as part of care.

Is infertility usually the woman's problem?

No. Male factors contribute in a substantial share of couples, which is why a semen analysis is a standard early test rather than something done after the female partner has been fully investigated. Roughly one in six adults worldwide experiences infertility, according to the World Health Organization, and causes are spread across ovulation, tubal, uterine, male and unexplained categories.

Can lifestyle changes remove the need for treatment?

Sometimes, when the cause is one lifestyle affects. Stopping smoking has strong evidence for improving fertility in both sexes, and body weight at either extreme can disrupt ovulation and sperm production. Regular intercourse every two to three days covers the fertile window without rigid timing. Lifestyle changes cannot open blocked tubes or fix severe sperm problems, so they sit alongside, not instead of, a proper workup.

References

• World Health Organization: Infertility fact sheet
• NHS: IVF
• NHS: Infertility
• MedlinePlus: Infertility

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.