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Fetal Surgery Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

polyhydramnios

Intermediate Technical IVT

Excessive accumulation of amniotic fluid, often associated with fetal anomalies or maternal conditions.

Showing 49–72 of 100

hydrops fetalis

Intermediate Technical IVT

Abnormal fluid accumulation in fetal tissues and body cavities, often indicating severe fetal compromise.

Technical Term Full entry →

hysterotomy

Professional Technical IVT

Surgical incision into the uterus to access the fetus for in utero repair procedures.

Technical Term Full entry →

iatrogenic

Professional Formal IVT

Complications or conditions caused by medical treatment or intervention, including fetal surgical procedures.

Technical Term Full entry →

intraamniotic pressure

Professional Technical IVT

Pressure within the amniotic cavity monitored during fetal surgical procedures.

Technical Term Full entry →

intraoperative ultrasound

Intermediate Technical IVT

Real-time ultrasound imaging performed during fetal surgery to guide needle placement, monitor fetal position, and asses...

Technical Term Full entry →

intrauterine transfusion

Advanced Technical IVT

Procedure to deliver blood products directly to an anemic fetus via umbilical cord or intraperitoneal access.

Technical Term Full entry →

IUGR

Intermediate Technical IVT

Intrauterine growth restriction; fetal growth below expected parameters, affecting surgical timing and outcomes.

Abbreviation Full entry →

laser photocoagulation

Professional Technical IVT

Fetoscopic procedure using laser energy to ablate abnormal placental vascular connections in twin pregnancies.

Technical Term Full entry →

lung-to-head ratio

Professional Technical IVT

Ultrasound measurement used to assess fetal lung development, particularly in cases of congenital diaphragmatic hernia.

LHR
Technical Term Full entry →

MAP

Professional Technical IVT

Mean arterial pressure; critical hemodynamic parameter monitored during maternal anesthesia for fetal surgery.

Abbreviation Full entry →

maternal laparotomy

Intermediate Technical

Surgical opening of the maternal abdomen to access the gravid uterus for fetal intervention.

Technical Term Full entry →

maternal mirror syndrome

Advanced Technical IVT

Maternal condition mimicking fetal hydrops, requiring immediate delivery consideration.

Technical Term Full entry →

maternal positioning

Intermediate Technical IVT

Strategic placement of the pregnant patient during fetal surgery to optimize surgical access while maintaining uteroplac...

Technical Term Full entry →

maternal-fetal surgery

Professional Technical IVT

Surgical procedures performed on pregnant women that directly access and treat the fetus while in utero.

Technical Term Full entry →

membrane repair

Intermediate Technical IVT

Surgical restoration of amniotic membrane integrity following fetal procedures to prevent amniotic fluid leakage and red...

Technical Term Full entry →

membrane sealant

Intermediate Technical IVT

Biocompatible material applied to seal fetal membrane defects and prevent amniotic fluid leakage after surgery.

Technical Term Full entry →

membrane separation

Professional Technical IVT

Iatrogenic separation of chorion and amnion layers, a potential complication of fetal surgical procedures.

Technical Term Full entry →

minimally invasive fetal surgery

Intermediate Technical IVT

Surgical approach using small incisions and specialized instruments to perform fetal interventions with reduced maternal...

Technical Term Full entry →

MOMS trial

Professional Technical IVT

Landmark randomized controlled trial demonstrating benefits of prenatal versus postnatal myelomeningocele repair.

Document Type Full entry →

myelomeningocele

Professional Technical IVT

Severe form of spina bifida where spinal cord and meninges protrude through an opening in the spine, commonly treated wi...

Technical Term Full entry →

neural placode

Professional Technical IVT

Exposed neural tissue in spina bifida cases that requires surgical protection during fetal repair.

Technical Term Full entry →

neuroprotection

Professional Technical IVT

Strategies to minimize neurological injury during fetal neurosurgical procedures.

Technical Term Full entry →

oligohydramnios

Intermediate Technical IVT

Decreased amniotic fluid volume that may complicate fetal surgical procedures and recovery.

Technical Term Full entry →

placental abruption

Intermediate Technical IVT

Premature separation of the placenta from the uterine wall, a serious complication that can occur after fetal surgery.

Technical Term Full entry →
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