Pregnancy Diagnostics Glossary
100 terms total — 6 showing — Last updated 15 Sep 2026
PROM PROM
Premature rupture of membranes occurring before the onset of labor, requiring assessment of gestational age and infection risk.
fetal station
Measurement of the presenting part's descent through the maternal pelvis relative to the ischial spines.
gestational age assessment
Clinical evaluation to determine the duration of pregnancy using various dating methods and fetal measurements.
Gestational choriocarcinoma
Malignant tumor arising from trophoblastic tissue that can occur after any pregnancy event.
gestational diabetes
Glucose intolerance diagnosed during pregnancy in women without pre-existing diabetes.
Gestational sac
First visible sign of pregnancy on ultrasound, appearing as a fluid-filled structure containing the developing embryo.
gestational trophoblastic disease
Group of pregnancy-related disorders characterized by abnormal trophoblast proliferation, ranging from benign molar preg...