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Maternal Fetal Medicine Glossary

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

cervical ripening

Intermediate Technical IVT

Process of cervical softening and preparation for labor, either naturally occurring or medically induced.

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IUGR

Professional Technical IVT

Acronym for intrauterine growth restriction, a condition where fetal growth falls below expected parameters for gestatio...

Abbreviation Full entry →

Kleihauer-Betke test

Professional Technical IVT

Laboratory test measuring fetal-maternal hemorrhage by detecting fetal cells in maternal blood.

Technical Term Full entry →

lecithin-sphingomyelin ratio

Professional Technical IVT

Laboratory test measuring fetal lung maturity by analyzing phospholipids in amniotic fluid.

Technical Term Full entry →

Leopold maneuvers

Intermediate Technical IVT

Systematic series of four abdominal palpation techniques used to assess fetal lie, presentation, position, and engagemen...

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macrosomia

Intermediate Technical IVT

Fetal overgrowth condition typically defined as estimated fetal weight exceeding 4000g or 4500g depending on institution...

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malpresentation

Intermediate Technical IVT

Any fetal presentation other than vertex, including breech, face, brow, and transverse lie presentations complicating de...

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MCA Doppler

Advanced Technical IVT

Middle cerebral artery Doppler ultrasonography used to assess fetal anemia and cerebral blood flow patterns.

Technical Term Full entry →

MCDA twins

Advanced Technical IVT

Monochorionic diamniotic twins; identical twins sharing one placenta but having separate amniotic sacs.

Abbreviation Full entry →

middle cerebral artery Doppler

Professional Technical IVT

Ultrasound assessment of fetal brain blood flow to detect anemia and growth restriction.

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mirror syndrome

Advanced Technical IVT

Rare maternal condition mimicking fetal hydrops, characterized by maternal edema, hypertension, and proteinuria.

Technical Term Full entry →

monoamniotic

Professional Technical IVT

Twin pregnancy condition where both fetuses share a single amniotic sac, creating high risk for cord entanglement and co...

Technical Term Full entry →

monochorionic diamniotic

Advanced Technical IVT

A type of twin pregnancy where twins share one placenta but have separate amniotic sacs.

Technical Term Full entry →

MSAFP

Professional Technical IVT

Maternal serum alpha-fetoprotein; second-trimester screening test for neural tube defects and chromosomal abnormalities.

Abbreviation Full entry →

multifetal pregnancy reduction

Advanced Technical IVT

Selective termination procedure to reduce the number of fetuses in a high-order multiple pregnancy to improve outcomes f...

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multiple gestation

Intermediate Technical IVT

Pregnancy involving two or more fetuses, including twins, triplets, or higher-order multiples.

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NIFTY

Professional Technical IVT

Non-invasive fetal trisomy test using cell-free DNA analysis from maternal blood.

Technical Term Full entry →

non-stress test

Intermediate Technical IVT

A prenatal monitoring test that records fetal heart rate patterns and uterine contractions to assess fetal well-being.

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nuchal fold

Intermediate Technical IVT

Fetal neck skin thickness measured by ultrasound in the second trimester to assess chromosomal abnormality risk.

Technical Term Full entry →

nuchal translucency

Intermediate Technical IVT

An ultrasound measurement of fluid collection behind the fetal neck used for Down syndrome screening in the first trimes...

Technical Term Full entry →

oligoamnios sequence

Advanced Technical IVT

Constellation of fetal abnormalities resulting from severe and prolonged oligohydramnios, including pulmonary hypoplasia...

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oligohydramnios

Advanced Technical IVT

A condition characterized by decreased amniotic fluid volume, typically defined as an amniotic fluid index below 5cm.

Technical Term Full entry →

PAPP-A

Professional Technical IVT

A placental protein measured in first trimester screening for chromosomal abnormalities.

Technical Term Full entry →

placenta accreta

Advanced Technical IVT

An abnormal placental implantation where chorionic villi attach too deeply to the uterine wall, preventing normal separa...

Technical Term Full entry →

placenta percreta

Professional Technical IVT

Most severe form of abnormal placental attachment where placental tissue invades through the uterine wall into adjacent...

Technical Term Full entry →
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