Prenatal Care — MCQs

A 27-year-old G0P0 female presents to her OB/GYN for a preconception visit to seek advice before becoming pregnant. A detailed history reveals no prior medical or surgical history, and she appears to be in good health currently. Her vaccination history is up-to-date. She denies tobacco or recreational drug use and admits to drinking 2 glasses of wine per week. She states that she is looking to start trying to become pregnant within the next month, hopefully by the end of January. Which of the following is NOT recommended as a next step for this patient's preconception care?

A 35-year-old woman, gravida 4, para 3, at 34 weeks' gestation comes to the physician for a prenatal visit. She feels well. She does not note any contractions or fluid from her vagina. Her third child was delivered spontaneously at 35 weeks' gestation; pregnancy and delivery of her other two children were uncomplicated. Vital signs are normal. The abdomen is nontender and no contractions are felt. Pelvic examination shows a uterus consistent in size with a 34-weeks' gestation. Ultrasonography shows the fetus in a breech presentation. The fetal heart rate is 148/min. Which of the following is the most appropriate next step in management?

A 26-year-old nurse at 8 weeks of gestation presents to the physician with low-grade fever and body ache for the past 2 days. She also complains of a fine pink and itchy rash that appeared 2 nights ago. The rash 1st appeared on her face and spread to her neck. Past medical history is noncontributory. She takes prenatal vitamins with folate every day. She has had many sick contacts while working in the hospital. Additionally, her daughter has had several colds over the last few months. On examination, the temperature is 38.3°C (100.9°F), she has a fine macular rash on her face and neck with focal macules on her chest. Palpation of the neck reveals lymphadenopathy in the posterior auricular nodes. What is the most appropriate next step in the management of this patient?

A 27-year-old G1P0 at 12 weeks estimated gestational age presents for prenatal care. The patient says she has occasional nausea and vomiting and a few episodes of palpitations and diarrhea this last week. Physical examination is unremarkable, except for a heart rate of 145/min. Basic thyroid function tests are shown in the table below. Which of the following additional laboratory tests would be most useful in assessing this patient's condition? Thyroid-stimulating hormone (TSH) 0.28 mIU/L (0.3–4.5 mIU/L) Total T4 12 µg/dL (5.4–11.5 µg/dL)

A 16-year-old girl comes to the physician because of episodic lower abdominal pain for 5 months. The pain starts to occur a few hours before her menses and lasts for 2–3 days. Ibuprofen helped reduce the pain in the first months but has no effect now. She has missed a couple of days at school because of severe pain. Menarche was at the age of 14 years, and menses occur at regular 29-day intervals. She is sexually active with one male partner and uses condoms inconsistently. Her temperature is 37.1°C (98.8°F), pulse is 88/min, and blood pressure is 110/70 mm Hg. Physical and pelvic examination show no abnormalities. A urine pregnancy test is negative. Which of the following is the most appropriate next step in management?

A 3670-g (8 lb 1 oz) male newborn is delivered to a 26-year-old primigravid woman. She received adequate prenatal care and labor was uncomplicated. She has chronic hepatitis B infection and gastroesophageal reflux disease. Her only medication is ranitidine. She admits to smoking cannabis and one half-pack of cigarettes daily. She drinks two beers on the weekend. The mother is apprehensive about taking care of her baby and requests for some information regarding breastfeeding. Which of the following is a contraindication to breastfeeding?

A 21-year-old gravida 1 presents to her physician's office for an antepartum visit at 11 weeks gestation. She has complaints of malaise, occasional nausea, and changes in food preferences. Her vital signs include: blood pressure 100/70 mm Hg, heart rate 90/min, respiratory rate 14/min, and temperature 36.8℃ (98.2℉). Examination reveals a systolic ejection murmur along the left sternal border. There are no changes in skin color, nails, or hair growth. No neck enlargement is noted. Blood analysis shows the following: Erythrocyte count 3.5 million/mm3 Hb 11.9 g/dL HCT 35% Reticulocyte count 0.2% MCV 85 fL Platelet count 210,000/mm3 Leukocyte count 7800/mm3 Serum iron 17 µmol/L Ferritin 120 µg/L What is the most likely cause of the changes in the patient's blood count?

A 24-year-old woman comes to the physician for preconceptional advice. She has been married for 2 years and would like to conceive within the next year. Menses occur at regular 30-day intervals and last 4 days with normal flow. She does not smoke or drink alcohol and follows a balanced diet. She takes no medications. She is 160 cm (5 ft 3 in) tall and weighs 55 kg (121 lb); BMI is 21.5 kg/m2. Physical examination, including pelvic examination, shows no abnormalities. She has adequate knowledge of the fertile days of her menstrual cycle. Which of the following is most appropriate recommendation for this patient at this time?

A 21-year-old female presents to her primary care doctor for prenatal counseling before attempting to become pregnant for the first time. She is an avid runner, and the physician notes her BMI of 17.5. The patient complains of chronic fatigue, which she attributes to her busy lifestyle. The physician orders a complete blood count that reveals a Hgb 10.2 g/dL (normal 12.1 to 15.1 g/dL) with an MCV 102 µm^3 (normal 78 to 98 µm^3). A serum measurement of a catabolic derivative of methionine returns elevated. Which of the following complications is the patient at most risk for if she becomes pregnant?

A 23-year-old woman presents to her physician requesting the chickenpox vaccine. She is also complaining of nausea, malaise, and moderate weight gain. She developed these symptoms gradually over the past 2 weeks. She reports no respiratory or cardiovascular disorders. Her last menstruation was about 6 weeks ago. She has one sexual partner and uses a natural planning method for contraception. Her vital signs include: blood pressure 110/70 mm Hg, heart rate 92/min, respiratory rate 14/min, and temperature 37.2℃ (99℉). The physical examination shows non-painful breast engorgement and nipple hyperpigmentation. There is no neck enlargement and no palpable nodules in the thyroid gland. The urine beta-hCG is positive. What is the proper recommendation regarding chickenpox vaccination in this patient?