Maternal-Fetal Medicine — MCQs

Which ultrasound measurement is a marker of fetal growth restriction?

A patient with a history of previous unexplained intrauterine fetal death at term now presents at 9 months of gestation with itching, a bilirubin level of 3 mg/dL, and mildly elevated AST. A diagnosis of intrahepatic cholestasis of pregnancy (IHCP) was made. What is the appropriate management?

A 28-year-old pregnant woman at 26 weeks gestation presents with a 3-day history of increasing shortness of breath. Her past medical history includes well-controlled bronchial asthma. On examination, she is tachypneic and uncomfortable, with a pulse of 110 bpm, respirations of 32/min, and blood pressure of 160/90 mm Hg. Cardiac exam reveals a regular heart rhythm without gallop and a grade 2/6 systolic murmur in the pulmonic area. Lung auscultation is clear. Abdominal examination confirms a 26-week gravid uterus. Laboratory data includes Hb 12 g/dL, Hct 36%, WBC 7.0/uL, BUN 23 mg/dL, creatinine 0.9 mg/dL, sodium 136 mEq/L, and potassium 4.2 mEq/L. Arterial blood gases on room air show pH 7.34, PCO2 34 mm Hg, and PO2 68 mm Hg. Peak expiratory flow rate (PEFR) is 450 L/min. Chest x-rays are available. What is the most likely diagnosis?

A pregnant woman at 12 weeks gestation is exposed to chickenpox and has no prior history of the disease. What is the best management if she is found to be seronegative for varicella-zoster virus antibodies?

What is a blighted ovum?

What is the earliest sign of magnesium toxicity?

A patient at 22 weeks gestation is diagnosed with IUD which occurred at 17 weeks but did not have a miscarriage. This patient is at increased risk for which of the following?

Recurrent abortion in the first trimester is most often due to what cause?

Which one of the following causes the greatest risk of ectopic pregnancy?

A woman presents with amenorrhea of 2 months duration, lower abdominal pain, facial pallor, fainting, and shock. What is the most likely diagnosis?