Fetal Surgery or Repair After Birth for Spina Bifida: What Does Each Pathway Involve?

The room goes quiet at the 20-week scan. The sonographer lingers over the baby’s lower back, then over the head, and asks a colleague to step in. Within a day or two the parents are sitting with a maternal-fetal medicine specialist who draws a spine on a notepad, points to a small gap, and says there are two roads: an operation on the baby while still in the womb, or an operation on the baby in the first days of life.

That choice, the one people type into a search bar as fetal surgery vs postnatal repair for spina bifida, is one of the most demanding decisions in modern medicine. It is made quickly, under grief, with a great deal of information and very little time. The evidence behind it is stronger than most people expect, and more limited than the headlines suggest.

This explainer walks through both pathways step by step: what happens in each operating room, who is usually offered which route, what the largest trial found, what recovery looks like for mother and child, and which questions are worth asking before anything is signed.

What is myelomeningocele, and why does the timing of repair matter?

Spina bifida happens when the neural tube, the strip of tissue that folds into the spinal cord and brain during the first weeks of pregnancy, fails to close completely. Myelomeningocele is its most serious open form: part of the spinal cord and the nerves branching from it push through a gap in the bones of the spine into a sac on the baby’s back, covered by a thin membrane or by nothing at all. The NHS describes it as the type most likely to cause lasting weakness, numbness and bladder and bowel problems below the level of the opening.

Doctors often explain the damage with a two-hit idea. The first hit is the malformation itself, set in the earliest weeks. The second hit is what happens afterward: exposed nerve tissue floats in amniotic fluid for months, rubs against the uterine wall, and is chemically irritated. Spinal fluid also leaks out through the opening, which appears to pull the lower part of the brain downward into the top of the spinal canal. That downward shift is called a Chiari II malformation, and it is one reason many babies with myelomeningocele develop hydrocephalus, a buildup of fluid inside the brain.

Postnatal repair addresses the first hit’s consequences once the baby is born. Fetal surgery is an attempt to interrupt the second hit while it is still under way. That is why timing sits at the center of this decision. Most cases in well-resourced health systems are picked up at the routine anomaly scan, which the NHS schedules between 18 and 21 weeks, leaving a narrow window in which surgery before birth is even technically possible.

Fetal surgery vs postnatal repair for spina bifida: what is the core difference?

Strip away the technology and the two operations look surprisingly similar from the neurosurgeon’s chair. In both, the flattened spinal cord tissue, called the neural placode, is freed from the surrounding skin, tucked back into the spinal canal, and covered with layers of protective tissue and skin so that fluid stays in and infection stays out. The difference lies in three things: when the closure happens, who is on the operating table, and what the surgery is trying to prevent.

Postnatal repair is the long-established standard. The baby is the only patient. The goal is to seal the defect quickly after delivery so that bacteria cannot reach the spinal cord and so that no further mechanical damage occurs. It cannot reverse injury that accumulated during pregnancy, and it does not change the odds of hydrocephalus that have already been set.

Fetal surgery has two patients. The mother undergoes a major abdominal operation with no direct health benefit to herself, and the pregnancy carries the added burden of a scarred uterus for the remaining weeks. In exchange, the baby’s spinal cord is protected earlier, and the leak of spinal fluid is stopped while the brain is still developing.

My view, grounded in the trial data covered below, is that the question is rarely ‘which is better’ in the abstract. The honest question is whether a specific pregnancy fits the narrow group in which the earlier operation showed measurable benefit, and whether the mother’s health and circumstances make her risks acceptable to her. Both routes are legitimate medical care. Neither is a failure of nerve.

How does open fetal surgery for spina bifida actually work?

Open fetal surgery is a scheduled operation, usually performed under general anesthesia deep enough to relax the uterus, with additional medicines given to keep the uterus from contracting. Anesthetic drugs cross the placenta, so the baby is anesthetized too, and a separate injection is often given directly to the fetus for pain relief and stillness.

The surgeon opens the mother’s abdomen through a low horizontal incision, the same general approach used for a cesarean. This is called a laparotomy, meaning an opening into the abdominal cavity. Ultrasound is used to map the placenta so the uterus can be opened away from it. The uterine incision, or hysterotomy, is made with a stapling device that seals the edges and limits bleeding. The baby is not removed; instead the surgeon gently turns the fetus so the back lies at the opening, and warm fluid is continuously run into the uterus to replace what is lost.

A pediatric neurosurgeon then performs the closure in miniature: separating the neural placode from the membrane and skin, folding it into the canal, closing the dura (the tough outer covering of the spinal cord), then muscle and fascia, then skin, sometimes with a patch when the gap is wide. The uterus is closed in layers, the amniotic fluid volume is restored, and the abdomen is closed.

A newer fetoscopic approach reaches the defect through two or three small ports with a camera and long instruments, sometimes after partially replacing amniotic fluid with carbon dioxide gas. It aims to spare the mother a large uterine scar. Mayo Clinic notes it is offered in some centers, but it was not part of the pivotal randomized trial, and its long-term results are still being collected. Because the uterus has been opened surgically, delivery is planned by cesarean; the trial protocol scheduled this at 37 weeks unless labor came first.

What happens during myelomeningocele repair after birth?

When repair is planned after delivery, the work starts before the baby arrives. Delivery is usually arranged at a hospital with neonatal intensive care and pediatric neurosurgery on site. Mayo Clinic notes that many babies with a large open lesion are delivered by cesarean to protect the sac, though the mode of delivery is decided case by case with the obstetric team.

In the delivery room the exposed sac is covered with a sterile, moist, non-latex dressing and the baby is positioned on the stomach or side so nothing presses on the defect. Antibiotics are typically started to lower infection risk while the spinal cord is still open to the air; the choice and duration belong to the neonatal team. The head is measured, the legs are examined for movement, and an ultrasound of the brain checks the size of the fluid-filled ventricles.

The closure itself is carried out in the operating room under general anesthesia, usually within the first 48 hours of life according to NHS guidance. The steps mirror the fetal operation: the neural placode is released, returned to the canal, and covered by dura, muscle and skin. Because the baby is outside the womb, the surgeon has better light, more room, and none of the constraints of operating inside a pregnant uterus.

Hydrocephalus is addressed separately. If the ventricles are already enlarged and pressure is rising, a shunt (a thin tube that drains excess fluid from the brain to the abdomen) may be placed during the same admission. If not, the team watches head growth over the following weeks and months. In parallel, a urologist assesses bladder emptying, often with a catheter test, and an orthopedic specialist examines the hips and feet, since clubfoot and hip problems are common companions of the condition.

Who is usually offered spina bifida surgery before birth, and who is asked to wait?

Eligibility for fetal surgery is not a matter of preference or persistence. Most programs still lean on the entry criteria of the Management of Myelomeningocele Study (MOMS), the randomized trial indexed on PubMed that established the evidence base, because those are the only conditions under which benefit has been demonstrated.

The pregnancy typically needs to be a singleton with a myelomeningocele whose upper edge lies between the first thoracic and first sacral vertebra, with imaging evidence of hindbrain herniation, and a gestational age between roughly 19 and 26 weeks at the time of the operation. The baby’s chromosomes are checked, usually by amniocentesis, and other major structural anomalies must be absent. On the maternal side, the trial excluded women with a body mass index above 35, a history of preterm birth, a short cervix, placenta previa, insulin-dependent diabetes that was poorly controlled, certain infections, and anything that would make major surgery unsafe.

Being ‘asked to wait’ in this context means being guided toward postnatal repair. That group includes families whose diagnosis came too late in pregnancy, twin pregnancies, babies with additional genetic findings, and mothers whose own health tips the risk balance. None of these are judgments about the baby’s worth or the parents’ commitment; they reflect the limits of what the trial studied.

Counseling before either route involves maternal-fetal medicine, pediatric neurosurgery, neonatology and often a genetic counselor and a social worker. Families choosing fetal surgery should expect close monitoring for the rest of the pregnancy, with frequent ultrasounds and restrictions on activity. The care team, not this article, decides who qualifies, and a second opinion is a reasonable request that no good team resents.

What did the MOMS trial actually show about fetal surgery for spina bifida?

The Management of Myelomeningocele Study randomized 183 women to prenatal repair or standard postnatal repair and was stopped early because the difference in the primary outcome was clear. The published results, indexed on PubMed, remain the backbone of every honest conversation about this decision.

Two findings drove the stop. By 12 months of age, 40 percent of children in the prenatal group had received a shunt for hydrocephalus compared with 82 percent in the postnatal group. Imaging at 12 months also showed that the downward shift of the hindbrain had lessened or resolved in far more prenatally treated children. At 30 months, children in the prenatal group scored better on a combined measure of mental and motor development, and 42 percent walked independently versus 21 percent in the postnatal group.

The same paper reported the cost in complications. Babies in the prenatal group were born at an average of 34.1 weeks compared with 37.3 weeks, and 13 percent were delivered before 30 weeks. About a third of mothers who had fetal surgery had an area of thinning or partial separation at the uterine scar when it was inspected at cesarean. Bladder function did not differ clearly between groups at early follow-up, a sobering point for families hoping the operation would prevent catheterization.

Three cautions matter. These figures describe a carefully selected group treated in a trial setting, not a promise for any individual child. The trial studied open surgery, not the fetoscopic technique. And longer-term follow-up of the same children is ongoing; Mayo Clinic and the NHS both frame fetal surgery as an option that improves the odds of certain outcomes rather than a guaranteed result.

How risky is fetal surgery? Risks for the mother and the baby

Fetal surgery asks a healthy woman to accept the risks of major surgery on behalf of someone else. Naming those risks plainly is the least a care team owes her.

For the mother, the immediate concerns are those of any laparotomy: bleeding, infection, blood clots and reactions to anesthesia. Specific to this operation, the trial reported fluid accumulation in the lungs (pulmonary edema), which is linked in part to the medicines used to keep the uterus relaxed; separation of the membranes from the uterine wall; low amniotic fluid; premature rupture of membranes; and placental abruption, in which the placenta detaches early. The uterine scar changes every future pregnancy. Labor is no longer considered safe, so this birth and all later births are by cesarean, and the scar carries a risk of rupture if the uterus contracts strongly.

For the baby, the dominant risk is prematurity. Being born several weeks early increases the chance of breathing problems, feeding difficulties, bleeding in the brain and a longer stay in intensive care. Fetal deaths and newborn deaths occurred in both arms of the trial in small numbers; the operation does not eliminate that possibility and may shift it earlier. There is also a chance the closure is incomplete and needs revision after birth.

Postnatal repair carries its own list, shorter but real: wound infection, leakage of spinal fluid, breakdown of the skin closure, anesthetic complications in a newborn, and the same likelihood of shunt placement that the trial recorded for standard care.

The Cleveland Clinic’s overview makes a point worth repeating: complication rates depend heavily on the experience of the team and the fit of the patient to the criteria. That is not a marketing claim; it is the reason the trial’s strict selection rules have largely survived into practice.

Fetal vs postnatal repair at a glance

The table below condenses the points that families most often want side by side. The trial figures come from the MOMS publication indexed on PubMed and describe that study’s selected population; the clinical descriptions follow NHS and Mayo Clinic patient information.

Feature	Fetal (open) surgery	Postnatal repair
When the defect is closed	About 19–26 weeks of pregnancy	Usually within 48 hours of birth
Who has an operation	Mother and fetus	Baby only
Anesthesia	General, with uterine relaxation	General, newborn
Delivery	Planned cesarean; all future births by cesarean	Vaginal or cesarean, decided case by case
Shunt by 12 months (trial)	40 percent	82 percent
Average gestational age at birth (trial)	34.1 weeks	37.3 weeks
Main added risks	Preterm birth, uterine scar problems, maternal complications	Infection or fluid leak at the wound
Bladder function (trial, early)	No clear difference	No clear difference
Evidence base	One large randomized trial plus follow-up cohorts	Decades of routine practice

Read across the rows rather than down a single column. A lower shunt rate is valuable, but it arrives packaged with earlier delivery and a lifelong change to how the mother gives birth. A family for whom another pregnancy matters a great deal may weigh the uterine row differently from a family that does not plan one. The table is a map; the care team helps decide which roads are open.

What the following weeks look like after fetal surgery

Recovery from fetal surgery is a pregnancy managed on high alert. The mother usually stays in hospital for several days for pain control, monitoring of contractions and lung function, and observation of the wound. Medicines that quiet uterine muscle, known as tocolytics, are commonly continued for a period; their type and duration are the obstetric team’s call.

After discharge, the weeks are punctuated by frequent ultrasounds. The team measures amniotic fluid, checks whether the membranes are still attached to the uterine wall, tracks cervical length and watches fetal growth and the position of the hindbrain. Most programs advise reduced physical activity, and many advise against lifting, long journeys or strenuous work for the rest of the pregnancy. Women often describe this stretch as the hardest part: the operation is over, the baby is inside, and every twinge prompts a question.

Delivery is by cesarean, planned toward 37 weeks in the trial protocol but often earlier if labor begins or membranes rupture. The pediatric team examines the baby’s back at birth. In many cases the closure is intact and no further back surgery is needed in the newborn period; if the skin has not healed fully or fluid is leaking, a revision is arranged. The baby still goes to a neonatal unit for assessment of breathing, feeding, leg movement, bladder emptying and head size.

Hydrocephalus remains a watchful-waiting item. The trial’s lower shunt rate does not mean no shunt; it means fewer. Head circumference, fontanelle tension and ultrasound findings guide the neurosurgeon over the first year. The mother, meanwhile, is recovering from two abdominal operations within a few months, and her own follow-up deserves the same attention as her baby’s.

What the following weeks look like after myelomeningocele repair after birth

A newborn who has just had a back closure spends the first days lying on the stomach or side so that nothing presses on the wound, which is checked regularly for redness, swelling and any clear fluid that could signal a spinal fluid leak. Pain relief, feeding support and intravenous fluids are managed by the neonatal team.

Head circumference is measured daily. If the ventricles enlarge or the soft spot on the skull becomes tense, the neurosurgeon discusses a shunt, and MedlinePlus notes that many children with myelomeningocele will need one at some point. Some teams place the shunt during the same stay; others wait to see whether pressure settles.

Beyond the spine and brain, the first weeks establish a care pattern that lasts years. A urologist assesses bladder emptying and, where the bladder does not drain on its own, parents are taught clean intermittent catheterization, a simple technique of passing a small tube to empty urine at set intervals. Orthopedic specialists examine the hips and feet and may begin gentle casting for clubfoot. Physical therapists show parents how to move and position the baby’s legs.

Latex allergy is unusually common in children with spina bifida, so the Cleveland Clinic advises latex-free gloves, pacifiers and equipment from the outset. Families are also introduced to the multidisciplinary spina bifida clinic, where neurosurgery, urology, orthopedics, rehabilitation and developmental teams meet the child together over time.

Discharge follows once feeding is established, the wound is sound and any shunt is working. Early intervention services, offered through many health systems, begin in infancy and matter enormously; the operation closes the back, but development is shaped by what happens in the months after.

Spina bifida shunt after surgery: why hydrocephalus dominates the conversation

Ask parents of older children with myelomeningocele what has caused the most hospital visits, and the answer is often not the back at all. It is the shunt.

Hydrocephalus is a buildup of cerebrospinal fluid inside the brain’s ventricles. In spina bifida it develops largely because the Chiari II malformation crowds the outflow pathways at the base of the skull, so fluid produced inside the brain cannot circulate and be reabsorbed normally. A shunt is a thin silicone tube with a valve that carries the excess fluid from a ventricle, under the skin, to the abdominal cavity, where it is absorbed. It works, and it saves brains. It is also a permanent device that can block, break, over-drain or become infected, and revisions over a lifetime are common rather than exceptional.

An alternative for some children is endoscopic third ventriculostomy, an operation that creates a new drainage opening inside the brain using a small camera, avoiding hardware. Its suitability depends on the child’s anatomy and age and is a neurosurgical judgment.

This is where fetal surgery’s headline result matters most. Halving the shunt rate in the trial, from 82 to 40 percent, means fewer children living with a device that can fail at three in the morning. It does not mean the prenatally treated child is shunt-proof; four in ten still needed one by their first birthday. Families sometimes come away from counseling believing the operation prevents hydrocephalus. The evidence says it lowers the odds within a selected group, and that distinction should shape expectations from the start. Signs of shunt trouble are covered in the red-flag section below.

Does fetal surgery fix spina bifida? The long-term picture

No. Neither operation repairs nerve tissue that has already been damaged, and neither changes the level at which the spinal cord was malformed. The level of the lesion, roughly speaking how high up the back the opening sits, remains the strongest predictor of how much movement and sensation a child will have in the legs, and of bladder and bowel control.

Walking illustrates both the gain and its limits. In the trial, twice as many children in the prenatal group walked without aids at 30 months, yet more than half still did not. Many children with myelomeningocele use braces, walkers or wheelchairs at different stages, and the choice of mobility aid is a practical one about energy and independence, not a measure of success.

Bladder and bowel outcomes are where expectations most often outrun evidence. The nerves supplying these organs leave the spinal cord at the lowest levels, so they are affected in most children regardless of when the back was closed. The trial did not show a clear difference in bladder function at early follow-up. The NHS notes that most people with spina bifida need some form of ongoing bladder management, and planning for that from infancy protects the kidneys.

A later problem, tethered cord, deserves mention. Scar tissue at the repair site can anchor the spinal cord so that it stretches as the child grows, causing new weakness, back pain or changes in bladder pattern. It can follow either type of repair; some reports suggest it may be more frequent after fetal closure, but the evidence is not settled. Lifelong follow-up in a specialist clinic exists precisely because spina bifida is a condition to be managed across decades, not a single surgical event.

What people often get wrong about fetal surgery and postnatal repair

Misunderstandings cluster around this decision, partly because it is made under pressure and partly because the phrase ‘surgery in the womb’ sounds like science fiction.

The first is that fetal surgery makes the condition go away. It does not. It closes the opening earlier and, in the trial population, reduced the need for shunts and improved some motor outcomes. The child still has spina bifida and still needs the same multidisciplinary care.

The second is that choosing postnatal repair is choosing less. Postnatal closure is the standard of care worldwide and the pathway most children with the condition have followed, including many who walk, work and raise families. For pregnancies outside the trial’s criteria, it is the evidence-based choice, not a fallback.

The third is that the fetoscopic technique is proven equivalent to open surgery. It is promising and it spares the uterus a large scar, but Mayo Clinic frames it as still under study, and no randomized comparison of the two prenatal methods has been completed.

The fourth is that fetal surgery is available to anyone who wants it. Eligibility is medical, not motivational, and roughly a third of families referred for evaluation in published series do not meet the criteria.

The fifth is guilt about folic acid. The neural tube closes before many women know they are pregnant. Folic acid taken before conception and in early pregnancy lowers the risk substantially, according to MedlinePlus and the NHS, but it does not remove it, and most affected pregnancies occur in women with no risk factors at all.

The last is that the baby must be delivered early on purpose after fetal surgery. Early birth is a complication the team works to prevent, not a plan.

Questions to ask your care team

Good counseling is a conversation, and the most useful conversations are the ones where the family arrives with questions written down. The list below is a starting point; there is no wrong question, and repeating one until the answer is clear is entirely reasonable.

• Where exactly is the opening on my baby’s spine, and what does that level usually mean for leg movement and bladder function?
• Does my pregnancy meet the criteria the trial used, and if not, which criterion is the issue?
• How many of these operations does your team perform, and how do your complication rates compare with the published trial?
• What are the chances my baby will be born before 34 weeks, and what does your neonatal unit do for babies born at that stage?
• What will the uterine scar mean for this delivery and for any future pregnancy I might want?
• Which hydrocephalus outcomes have you seen in your own patients, and how do you decide about a shunt?
• If we choose postnatal repair, where will delivery take place, and how soon after birth would the closure happen?
• Who coordinates my baby’s care after the first year, and how often would we be seen?
• Is the fetoscopic approach an option here, and what evidence supports it compared with open surgery?
• Can we speak with families who have been through each pathway?

Two questions deserve their own paragraph. First: ‘What would happen if we did nothing different and simply planned for repair after birth?’ A team that answers this honestly, without alarm, is a team worth trusting. Second: ‘How much time do we have to decide?’ The window is real but it is measured in days, not hours, and a decision made after a night’s sleep is still a timely one.

When to call your doctor: red-flag signs in pregnancy and after your baby's repair

Both pathways come with a short list of signs that should never wait for the next scheduled appointment. Contact the maternity or neonatal team immediately, or use emergency services, if any of the following appear.

During pregnancy after fetal surgery: regular tightening or cramping of the abdomen, a gush or steady trickle of fluid from the vagina, any vaginal bleeding, fever or chills, severe or worsening abdominal pain, redness, swelling or discharge at the incision, sudden shortness of breath or a cough that produces frothy sputum, or a noticeable reduction in the baby’s movements. Fluid leakage and contractions in particular may signal ruptured membranes or early labor, both of which need urgent assessment.

After your baby’s back repair, either pathway: clear or cloudy fluid leaking from the wound, redness or swelling spreading around it, fever, or a baby who is unusually floppy, difficult to wake or refusing feeds. Any new change in leg movement compared with the first days of life should be reported the same day.

Signs of hydrocephalus or shunt problems: a head that seems to be growing quickly, a tense or bulging soft spot, repeated vomiting, a high-pitched cry, eyes that appear to look downward, marked irritability or sleepiness, or seizures. In an older child, persistent headache, vomiting, new squint or a decline in school performance can be the first clues.

Signs the hindbrain is under pressure: noisy or high-pitched breathing, pauses in breathing, difficulty swallowing or frequent choking, or a weak cry. These need emergency evaluation.

The general principle from NHS and Mayo Clinic guidance is simple: if something about your baby has changed and you cannot explain it, call. Spina bifida teams expect these calls and would rather see a well baby than miss an unwell one.

Frequently asked questions

Does in utero fetal surgery make spina bifida go away?

No. Fetal surgery closes the opening in the spine earlier, which in the MOMS trial reduced the need for shunts and improved some motor outcomes, but the spinal cord malformation and any nerve damage already present remain. Children treated before birth still have spina bifida and still need lifelong follow-up with neurosurgery, urology, orthopedics and rehabilitation teams. The operation changes the odds of certain outcomes; it does not remove the condition.

What is the success rate of spina bifida surgery in utero?

There is no single success rate, because success depends on which outcome you measure. In the MOMS trial, 40 percent of prenatally treated children needed a shunt by 12 months versus 82 percent after postnatal repair, and 42 percent walked independently at 30 months versus 21 percent. Those figures come from a selected trial group and describe probabilities, not guarantees for an individual child. Bladder outcomes showed no clear difference.

How risky is fetal surgery for the baby?

The main risk is being born early. In the MOMS trial, babies who had prenatal repair were delivered at an average of 34.1 weeks compared with 37.3 weeks, and 13 percent arrived before 30 weeks, which raises the chance of breathing, feeding and brain complications. Fetal and newborn deaths occurred in small numbers in both trial arms. An incomplete closure that needs revision after birth is also possible.

What are the main fetal surgery risks for mother?

The mother faces the risks of major abdominal surgery plus those specific to opening a pregnant uterus: bleeding, infection, fluid in the lungs linked to uterine-relaxing medicines, separation of the membranes, low amniotic fluid, premature rupture of membranes and placental abruption. The uterine scar means this birth and all future births are by cesarean, and it carries a risk of rupture in later pregnancies. Her follow-up matters as much as the baby’s.

What are the key differences between fetal and neonatal surgery for spina bifida?

The closure itself is similar; the differences are timing, patients and purpose. Fetal surgery happens at about 19–26 weeks of pregnancy, involves an operation on the mother as well as the fetus, and aims to limit ongoing damage and spinal fluid leakage before birth. Neonatal surgery happens within about 48 hours of delivery, involves only the baby, and aims to seal the defect against infection. The prenatal route lowered shunt rates in the trial at the cost of prematurity and maternal risk.

Who is not eligible for spina bifida surgery before birth?

Most programs follow the MOMS trial criteria. Pregnancies are usually guided toward postnatal repair if the diagnosis comes after about 26 weeks, if there are twins, if the baby has a chromosomal abnormality or another major anomaly, if the lesion sits outside the studied spinal levels, or if the mother has a short cervix, placenta previa, a previous preterm birth, a body mass index above the trial threshold, or a health condition that makes major surgery unsafe.

Will my baby still need a shunt after fetal surgery?

Possibly. Fetal surgery lowered but did not eliminate the need for a shunt; in the MOMS trial, 40 percent of prenatally treated children had one placed by 12 months. The neurosurgical team monitors head growth, the soft spot and brain imaging over the first year and beyond. Some children are suitable for an alternative procedure that creates an internal drainage opening without hardware, but that depends on individual anatomy.

Is fetoscopic surgery as good as open fetal surgery?

That is not yet known. Fetoscopic repair reaches the spine through small ports and spares the mother a large uterine incision, which is an appealing advantage. It was not part of the pivotal randomized trial, however, and no completed randomized comparison of the two prenatal techniques exists. Mayo Clinic describes it as an approach still under study, so results reported so far come from center-based series rather than trial evidence.

How soon after birth is myelomeningocele repair after birth usually done?

The NHS states that closure is usually carried out within 48 hours of birth. Until then the open area is covered with a sterile, moist dressing, the baby is positioned to avoid pressure on it, and antibiotics are typically started to reduce infection risk. The exact timing depends on the baby’s stability and the surgical team’s assessment, and hydrocephalus is treated separately if and when it develops.

Can I have another pregnancy after fetal surgery?

Many women do, but the plan changes. Because the uterus was opened mid-pregnancy, labor is considered unsafe and future deliveries are by scheduled cesarean, usually before labor would be expected to start. Obstetric teams generally advise a recovery interval before conceiving again and monitor the scar closely. Folic acid before conception is advised for anyone who has had a pregnancy affected by a neural tube defect; the amount is set by the prescribing clinician.

References

• Spina bifida: treatment, NHS
• Spina Bifida, MedlinePlus
• Spina Bifida, Cleveland Clinic

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.