Maternal Fetal Medicine Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
cervical ripening
Process of cervical softening and preparation for labor, either naturally occurring or medically induced.
IUGR
Acronym for intrauterine growth restriction, a condition where fetal growth falls below expected parameters for gestatio...
Kleihauer-Betke test
Laboratory test measuring fetal-maternal hemorrhage by detecting fetal cells in maternal blood.
lecithin-sphingomyelin ratio
Laboratory test measuring fetal lung maturity by analyzing phospholipids in amniotic fluid.
Leopold maneuvers
Systematic series of four abdominal palpation techniques used to assess fetal lie, presentation, position, and engagemen...
macrosomia
Fetal overgrowth condition typically defined as estimated fetal weight exceeding 4000g or 4500g depending on institution...
malpresentation
Any fetal presentation other than vertex, including breech, face, brow, and transverse lie presentations complicating de...
MCA Doppler
Middle cerebral artery Doppler ultrasonography used to assess fetal anemia and cerebral blood flow patterns.
MCDA twins
Monochorionic diamniotic twins; identical twins sharing one placenta but having separate amniotic sacs.
middle cerebral artery Doppler
Ultrasound assessment of fetal brain blood flow to detect anemia and growth restriction.
mirror syndrome
Rare maternal condition mimicking fetal hydrops, characterized by maternal edema, hypertension, and proteinuria.
monoamniotic
Twin pregnancy condition where both fetuses share a single amniotic sac, creating high risk for cord entanglement and co...
monochorionic diamniotic
A type of twin pregnancy where twins share one placenta but have separate amniotic sacs.
MSAFP
Maternal serum alpha-fetoprotein; second-trimester screening test for neural tube defects and chromosomal abnormalities.
multifetal pregnancy reduction
Selective termination procedure to reduce the number of fetuses in a high-order multiple pregnancy to improve outcomes f...
multiple gestation
Pregnancy involving two or more fetuses, including twins, triplets, or higher-order multiples.
NIFTY
Non-invasive fetal trisomy test using cell-free DNA analysis from maternal blood.
non-stress test
A prenatal monitoring test that records fetal heart rate patterns and uterine contractions to assess fetal well-being.
nuchal fold
Fetal neck skin thickness measured by ultrasound in the second trimester to assess chromosomal abnormality risk.
nuchal translucency
An ultrasound measurement of fluid collection behind the fetal neck used for Down syndrome screening in the first trimes...
oligoamnios sequence
Constellation of fetal abnormalities resulting from severe and prolonged oligohydramnios, including pulmonary hypoplasia...
oligohydramnios
A condition characterized by decreased amniotic fluid volume, typically defined as an amniotic fluid index below 5cm.
PAPP-A
A placental protein measured in first trimester screening for chromosomal abnormalities.
placenta accreta
An abnormal placental implantation where chorionic villi attach too deeply to the uterine wall, preventing normal separa...
placenta percreta
Most severe form of abnormal placental attachment where placental tissue invades through the uterine wall into adjacent...