USMLE Step 2 CK Antenatal Care Practice Questions
Antenatal care encompasses the regular medical and nursing care recommended for women during pregnancy. It aims to monitor the health of the mother and fetus, detect and manage potential complications, and provide education and support for a healthy pregnancy and birth.
A 28-year-old woman, gravida 1, para 0, at 10 weeks' gestation presents for her first prenatal visit. She has a history of type 1 diabetes mellitus diagnosed at age 15, well-controlled on insulin. Her most recent HbA1c 2 months ago was 6.8%. She denies smoking, alcohol, or illicit drug use. Her blood pressure is 120/78 mm Hg, and her BMI is 26 kg/m². Which of the following is the most appropriate next step in her management?
A 32-year-old woman, gravida 3, para 2, at 28 weeks' gestation presents for a routine prenatal visit. Her previous pregnancies were uncomplicated, resulting in two healthy term infants. She has no significant medical history. Her blood type is O negative, and her antibody screen at 10 weeks' gestation was negative. She is feeling well and denies any vaginal bleeding or abdominal pain. Which of the following is the most appropriate next step in her care?
A 25-year-old woman, gravida 2, para 1, at 36 weeks' gestation presents for her routine prenatal visit. Her first pregnancy resulted in a healthy full-term infant. She reports feeling occasional irregular contractions, but denies any vaginal bleeding or leakage of fluid. Her blood pressure is 110/70 mm Hg, and fetal heart tones are reassuring. Fundal height measures 36 cm. Which of the following screening tests should be performed at this visit?
A 30-year-old woman, gravida 1, para 0, at 14 weeks' gestation, presents for her prenatal visit. She has no significant past medical history. She is concerned about screening for chromosomal abnormalities. She declined nuchal translucency screening in the first trimester. Which of the following is the most appropriate next step for aneuploidy screening?
A 22-year-old woman, gravida 1, para 0, at 8 weeks' gestation, presents for her initial prenatal visit. She reports fatigue and occasional nausea but denies bleeding or abdominal pain. Her medical history is unremarkable. She is a vegetarian and has been taking a prenatal vitamin for the past month. Physical examination is normal. Which of the following laboratory tests is most crucial to obtain at this visit for routine antenatal care?
Antenatal Care — frequently asked
What are the most high-yield topics within Antenatal Care for Step 2 CK?
Focus on routine screening tests (e.g., GBS, Rh status, aneuploidy), management of common complications (e.g., preeclampsia prevention, gestational diabetes screening/management), and counseling regarding vaccinations and lifestyle modifications. Also, understand the timing of these interventions.
How should I approach questions about screening tests?
Know the indications, optimal timing, and interpretation of common prenatal screening tests (e.g., first-trimester combined screen, quad screen, cell-free DNA, glucose tolerance test, GBS culture). Understand when a screening test indicates the need for a diagnostic test.
What's important about managing Rh-negative pregnancies?
Key points include initial Rh typing and antibody screen, routine anti-D immune globulin administration at 28 weeks' gestation, and administration after any potential sensitizing event (e.g., trauma, bleeding, amniocentesis, delivery of an Rh-positive infant).
Are there specific ACOG guidelines I should know for Antenatal Care?
Yes, ACOG Practice Bulletins are highly relevant. Look for guidelines on topics like screening for fetal aneuploidy, prevention of Rh D alloimmunization, management of gestational diabetes, and prevention of preeclampsia. These provide the evidence-based recommendations tested on the exam.
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