Single Placenta in Obstetrics & Gynecology — Case | General Gynecology | SMLE Q#16766
SMLE Question #16766
Obstetrics & Gynecology
General Gynecology
Objective: OBJ-ETH-STERIL
Last updated: February 2026
A 30-year-old primigravid woman attends a routine first-trimester prenatal visit at 11 weeks’ gestation. Transvaginal ultrasound shows a viable twin intrauterine pregnancy with a single placenta and no intertwin dividing membrane visualized. Based on embryologic timing of division, what is the most likely interval between fertilization and cleavage of the conceptus?
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