Ferning On Microscopy in Obstetrics & Gynecology — Case | General Gynecology | SMLE Q#11203

SMLE Question #11203

Obstetrics & Gynecology General Gynecology

Objective: OBJ-ETH-STERIL

Last updated: February 2026
A 23-year-old G2P1 woman at 40 weeks of gestation reports a sudden gush of clear vaginal fluid 1 hour ago; uterine contractions began afterward and are occurring every 8–10 minutes. Sterile speculum examination shows pooling of clear fluid in the posterior fornix with ferning on microscopy. The cervix is 3 cm dilated and 60% effaced, and the fetal head is at −1 station. What is the most appropriate term for this condition?

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