A 25-year-old woman at 6 weeks gestation presents requesting medical abortion. Vital signs are stable (BP 118/76, HR 82, RR 16, Temp 37.0°C). She receives a progesterone receptor antagonist followed by a prostaglandin analog. Laboratory studies show appropriate β-hCG elevation for gestational age; transvaginal ultrasound confirms intrauterine pregnancy without contraindications to medical management. She denies vaginal bleeding or pelvic pain. Which drug was most likely administered first?
- A)MifepristoneGABARITO
- B)Leuprolide
- C)Tamoxifen
- D)Oxytocin
- E)Clomiphene
Explicação
Mifepristone is a progesterone receptor antagonist used in medical abortion, typically followed by a prostaglandin analog. Progesterone blockade destabilizes the endometrium and sensitizes the uterus to expulsion. Ver explicação completa e trilha adaptativa →