Educational clinical resource
What is fetal surgery? Procedures, selection, and care before birth
Fetal surgery is an invasive prenatal treatment for selected conditions after definitive diagnosis, multidisciplinary review, and maternal–fetal risk assessment.

- 01Fetoscopy
- 02TTTS laser
- 03FETO
- 04Multidisciplinary care
How to navigate What is fetal surgery? Procedures, selection, and care before birth
An educational path from the first question to the next step. It does not replace individual assessment.
- 01Start with the question
Define the pregnancy, fetal, placental, or genetic question.
- 02Build the clinical picture
Combine history, gestation, symptoms, prior results, and the referral question.
- 03Target the assessment
Use the examination, imaging, laboratory, or genetic test that answers that question.
- 04Interpret in context
Separate reassurance, uncertainty, surveillance needs, and time-sensitive findings.
- 05Agree the next step
Coordinate follow-up, referral, treatment discussion, or delivery planning.
Visual decision pathway
The five gates before fetal surgery
A procedure becomes an option only after diagnosis, evidence, feasibility, two-patient consent and programme readiness align.
- Gate 1Confirm the diagnosis
Expert imaging, severity, progression and associated genetic or structural findings.
- Gate 2Test the evidence
Define the meaningful outcome, comparator, gestational window and uncertainty.
- Gate 3Assess feasibility
Maternal health, placenta, cervix, membranes, access, anatomy and technical limits.
- Gate 4Obtain two-patient consent
Maternal risk, fetal benefit, alternatives, failure, prematurity and later pregnancies.
- Gate 5Verify programme readiness
Governance, trained team, theatre, anaesthesia, neonatal rescue, audit and follow-up.
Fetal surgery is an invasive procedure performed during pregnancy to alter the course of a carefully selected fetal or placental condition. The objective is not to make every abnormal scan “normal.” It is to identify situations in which treatment before birth may improve a meaningful outcome compared with surveillance, planned delivery, or treatment after birth.
The field includes fetoscopy through small ports, ultrasound-guided procedures, and open prenatal surgery in selected programmes. Examples include laser interruption of placental vascular connections in twin-to-twin transfusion syndrome, fetoscopic endoluminal tracheal occlusion for selected severe congenital diaphragmatic hernia, and prenatal repair of open spina bifida.
Diagnosis, candidacy, and consent are separate
A diagnostic label does not itself establish eligibility. Assessment may require expert ultrasound, fetal echocardiography, fetal MRI, genetic testing, infection evaluation, serial measurements, placental mapping, cervical assessment, and review of maternal health.
The team then asks whether the condition is severe enough, whether the gestational window is appropriate, whether the procedure is technically feasible, and whether evidence suggests a benefit that justifies risk. A family can be fully eligible and still decide against intervention after informed counselling.
The mother is an essential patient
Every fetal procedure reaches the fetus through the pregnant woman and therefore has maternal implications. Consent must address maternal anaesthesia, bleeding, infection, injury, membrane rupture, preterm birth, emergency delivery, and possible consequences for later pregnancies, as well as fetal or neonatal outcomes.
A programme, not an isolated operation
Safe fetal surgery depends on maternal–fetal medicine, expert imaging, anaesthesia, paediatric subspecialties, neonatology, operating-theatre systems, nursing, blood-bank support, governance, outcome audit, and long-term follow-up.
The advanced UAE programme at Mediclinic Airport Road Hospital in Abu Dhabi is accepting referrals now. Availability does not mean every intervention is appropriate; diagnosis, eligibility, governance, and informed consent remain case-specific.