Maternal-Fetal Medicine — Flashcards

Flashcard 51: _____ -coagulable states are often complicated by recurrent pregnancy loss (women)

Answer: Hyper

Flashcard 52: 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 53: Protocol for Rh isoimmunization: If the blood group of the husband is Rh-positive and the maternal ICT is negative, there is no _____; prevention is achieved by giving anti-D prophylaxis at 28 weeks.

Answer: isoimmunization

Flashcard 54: Spontaneous abortion is most often due to _____ anomalies, especially trisomy 16

Answer: chromosomal

Flashcard 55: Hematocrit of _____% and hemoglobin of 10 g% is necessary for expectant management of placenta previa

Answer: 30

Flashcard 56: If the developing embryo splits during **days 8-12** (after the amnion has formed), the twins will be _____ and monoamniotic (# of chorions and # of amniotic sacs)

Answer: monochorionic

Extra: Timing of Monozygotic Twinning: - **Days 0-4**: Dichorionic / Diamniotic (Cleavage stage) - **Days 4-8**: Monochorionic / Diamniotic (Blastocyst stage) - **Days 8-12**: Monochorionic / Monoamniotic (Embryonic disc stage) - **>13 Days**: Conjoined twins

Flashcard 57: Association of fetal _____ and development of maternal edema in which the mother mirrors the fetus is attributed to Ballantyne syndrome

Answer: hydrops

Flashcard 58: Protocol for Rh isoimmunization:If on Fetal blood sampling, the hematocrit is <_____, do Intrauterine transfusion.

Answer: 30

Flashcard 59: A _____ hydatidiform mole is characterized by 46 chromosomes

Answer: complete

Flashcard 60: Ectopic pregnancy may present with a _____ than expected rise in the hormone hCG based on dates

Answer: lower