Maternal-Fetal Medicine — Flashcards

Flashcard 41: _____ in number of Lactobacillus acidophilus during pregnancy, increases glycogen metabolism, thus lowering the pH of the vagina

Answer: Increase

Flashcard 42: The _____:sphingomyelin ratio in amniotic fluid is used to screen for lung maturity

Answer: lecithin

Flashcard 43: In a patient of cardiac disease, Heparin (unfractionated or LMWH) is restarted _____ hours after vaginal delivery and 24 hours after cesarean section.

Answer: 6

Flashcard 44: Protocol for Rh isoimmunization: If **MCA-PSV** is _____ than 1.5 deliver at 37 completed weeks

Answer: less

Extra: In Rh isoimmunization, the **Middle Cerebral Artery Peak Systolic Velocity (MCA-PSV)** is monitored to detect fetal anemia. - **< 1.5 MoM**: Suggests mild or no anemia. If it remains below this threshold, delivery is typically recommended at **37–38 weeks**. - **≥ 1.5 MoM**: Suggests severe fetal anemia; requires further investigation (cordocentesis) and potential intrauterine transfusion (IUT). Note: The term "Critical Titer" refers to antibody levels (e.g., 1:16), not the MoM value.

Flashcard 45: Pregnant women taking _____ have a 1-2% risk of delivering a baby with spina bifida.

Answer: sodium valproate

Flashcard 46: Placental abruption typically presents with abrupt, _____ third trimester bleeding

Answer: painful

Flashcard 47: Hematocrit of _____% and hemoglobin of 10 g% is necessary for expectant management of placenta previa

Answer: 30

Flashcard 48: According to Pritchard's regimen, the maintenance dose of MgSo4 in pre-eclampsia is _____ IM 4 hourly in alternate buttocks.

Answer: 5 g (50%)

Flashcard 49: _____ may lead to Caudal regression syndrome in infants, which ranges from anal atresia to sirenomelia

Answer: Maternal diabetes

Flashcard 50: How does coagulability change during pregnancy? _____

Answer: Increases (hypercoagulable state)