Obstetric Gynecology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
HELLP syndrome HELLP
A severe variant of preeclampsia characterized by Hemolysis, Elevated Liver enzymes, and Low Platelet count.
adnexa
The ovaries, fallopian tubes, and associated ligaments adjacent to the uterus.
amniocentesis
A diagnostic test involving needle extraction of amniotic fluid for genetic and developmental analysis.
amniotomy
Artificial rupture of the fetal membranes performed to induce or augment labor.
anhydramnios
Complete absence of amniotic fluid around the fetus, representing the most severe form of oligohydramnios.
Antepartum
Occurring before labour and delivery; the period during pregnancy prior to childbirth.
APGAR score
A standardized assessment of newborn condition at 1 and 5 minutes after birth.
asynclitism
Lateral deflection of the fetal head during descent through the birth canal, where the sagittal suture is not aligned ce...
biophysical profile
A prenatal test combining ultrasound assessment with non-stress testing to evaluate foetal wellbeing.
Bishop score
A standardised scoring system used to assess cervical ripeness and predict success of labour induction.
breech presentation
Fetal positioning with buttocks or feet presenting first instead of the head during delivery.
Caput succedaneum
Soft tissue swelling of the fetal scalp that crosses suture lines, caused by pressure during delivery.
cephalohematoma
A localized collection of blood between the skull and periosteum in newborns, typically caused by birth trauma during de...
cephalopelvic disproportion
A condition where the fetal head is too large or the maternal pelvis too small for safe vaginal delivery.
cerclage
A surgical procedure involving suturing the cervix to prevent premature opening during pregnancy.
cervical effacement
The thinning and shortening of the cervix during labor, measured as a percentage from 0% to 100%.
cervical ripening
The process of cervical softening, effacement, and dilation that prepares the cervix for labour, either naturally or thr...
cervidil
Commercial name for dinoprostone vaginal insert used for cervical ripening in labor induction.
chorioamnionitis
Bacterial infection of the foetal membranes and amniotic fluid during pregnancy or labour.
choriocarcinoma
Malignant gestational trophoblastic tumor that can follow any type of pregnancy.
chorion villus sampling
Prenatal diagnostic test involving sampling of placental tissue for genetic analysis.
colposcopy
Examination of the cervix, vagina, and vulva using a specialized magnifying instrument called a colposcope.
cordocentesis
A prenatal diagnostic procedure involving sampling foetal blood directly from the umbilical cord.
crowning
The stage during delivery when the fetal head becomes visible at the vulval opening and does not recede between contract...
CTG
Cardiotocography - continuous monitoring of fetal heart rate and uterine contractions during pregnancy and labour.