Prenatal Diagnosis and Genetic Counseling — Flashcards

Flashcard 1: Fetal macrosomia: Macrosomia is defined by ACOG as a birth weight of ≥ _____ g

Answer: 4500

Flashcard 2: ACOG recommends delivery at _____ weeks of gestation for uncomplicated dichorionic diamniotic (DCDA) twin pregnancies.

Answer: 38 weeks (Range: 38 0/7 to 38 6/7 weeks)

Flashcard 3: Protocol for Rh isoimmunization:If on Fetal blood sampling, the hematocrit is <_____, do Intrauterine transfusion.

Answer: 30

Flashcard 4: ISTH score > 3 is suggestive of _____ in pregnancy

Answer: DIC

Flashcard 5: The _____ test is used to detect fetal-maternal hemorrhage (fetal RBCs in maternal blood), which can occur in placental abruption.

Answer: Kleihauer-Betke

Flashcard 6: _____ levels in Amniotic fluid can be used to test for fetal lung maturity

Answer: Phosphatidylglycerol

Flashcard 7: The following is a _____chorionic _____amniotic placenta

Answer: mono

Flashcard 8: The presence of cord entanglement is indicative of _____ twins

Answer: monoamniotic

Flashcard 9: Chorion periphery is a thickened, opaque, gray white circular ridge composed of a double fold of chorion and amnion: _____ placenta

Answer: Circumvallate

Flashcard 10: The clinical criteria for diagnosis of _____ include sudden cardiopulmonary collapse, clinical evidence of DIC, and onset during labor or within 30 minutes of placental delivery.

Answer: Amniotic fluid embolism (AFE)

Extra: Amniotic fluid embolism (AFE) is primarily a clinical diagnosis of exclusion. The Society for Maternal-Fetal Medicine (SMFM) diagnostic criteria include: 1. Acute onset of cardiopulmonary collapse (cardiac arrest, or hypotension + respiratory distress). 2. Evidence of Disseminated Intravascular Coagulation (DIC). 3. Clinical onset during labor or within 30 minutes of delivery of the placenta. 4. Absence of other clinical explanations for the findings.