Fetal Medicine Glossary
100 terms total — 14 showing — Last updated 15 Sep 2026
Fetal Goiter
Enlargement of the fetal thyroid gland visible on prenatal ultrasound, potentially affecting delivery and neonatal care.
amniocentesis
A prenatal diagnostic procedure involving the extraction of amniotic fluid for genetic testing.
ballottement
A palpation technique where gentle pressure displaces the fetus, which then rebounds and can be felt moving back against...
cerebroplacental ratio
Ratio of middle cerebral artery to umbilical artery pulsatility indices, used to assess fetal well-being.
cordocentesis
Prenatal diagnostic procedure involving direct sampling of fetal blood from the umbilical cord.
estimated fetal weight percentile
Statistical ranking of fetal weight compared to population norms for gestational age.
intrauterine fetal demise
Death of a fetus in the uterus after 20 weeks of gestation, also known as stillbirth.
intrauterine transfusion
Procedure to transfuse blood directly into the fetus to treat severe anemia.
placenta accreta spectrum
A range of conditions where placental villi abnormally invade the uterine wall, from superficial attachment to complete...
placenta previa
Condition where the placenta partially or completely covers the cervical opening, potentially causing bleeding and compl...
placental abruption
Premature separation of the placenta from the uterine wall before delivery.
Placental Mosaicism
The presence of chromosomally abnormal cells only in placental tissue while fetal cells remain normal.
selective intrauterine growth restriction
Growth restriction affecting only one twin in a monochorionic pregnancy due to unequal placental sharing.
velamentous cord insertion
Abnormal umbilical cord attachment where vessels insert into the membranes rather than directly into the placental disc.
ventriculomegaly
Enlargement of the fetal brain ventricles detected on ultrasound examination.