Prenatal Care — MCQs

A 23-year-old woman presents to a medical office for a check-up. The patient has a 5-year history of epilepsy with focal-onset motor seizures and currently is seizure-free on 50 mg of lamotrigine 3 times a day. She does not have any concurrent illnesses and does not take other medications, except oral contraceptive pills. She is considering pregnancy and seeks advice on possible adjustments or additions to her therapy. Which of the following changes should be made?

A 28-year-old G1P0 woman who is 30 weeks pregnant presents to the women's health center for a prenatal checkup. She is concerned that her baby is not moving as much as usual over the past five days. She thinks she only felt the baby move eight times over an hour long period. Her prenatal history was notable for morning sickness requiring pyridoxine. Her second trimester ultrasound revealed no abnormal placental attachment. She takes a multivitamin daily. Her temperature is 98.6°F (37°C), blood pressure is 120/70 mmHg, pulse is 80/min, and respirations are 16/min. The patient's physical exam is unremarkable. Her fundal height is 28 cm, compared to 26 cm two weeks ago. The fetal pulse is 140/min. The patient undergoes external fetal monitoring. With vibroacoustic stimulation, the patient feels eight movements over two hours. What is the best next step in management?

A 25-year-old G1P0 woman at 14 weeks estimated gestational age presents for prenatal care. She has no complaints. No significant past medical history. The patient is afebrile and vital signs are within normal limits. Physical examination is unremarkable. Laboratory findings are significant for the following: Thyroid-stimulating hormone (TSH) 0.3 mIU/L (0.4–4.2 mIU/L) Total T4 11.4 µg/dL (5.4–11.5 µg/dL) Free total T4 0.7 ng/dL (0.7–1.8 ng/dL) Which of the following is the most likely etiology of this patient’s laboratory findings?

A 13-year-old girl presents to her pediatrician with vaginal bleeding and abdominal pain. The patient states that this has happened sporadically over the past 4 months. She is currently experiencing these symptoms and has soaked through 1 pad today. She denies being sexually active or using any illicit substances. Her vitals are within normal limits, and physical exam is notable for a healthy young girl with a non-focal abdominal and pelvic exam. Which of the following is the best next step in management?

A 30-year-old woman, gravida 3, para 1, at 25 weeks' gestation comes to the physician because of mild itching of the vulva and anal region for 2 weeks. She has a history of 2 episodes of vulvovaginal candidiasis last year that both subsided following 1 week of treatment with butoconazole. Vital signs are within normal limits. Pelvic examination shows a uterus consistent in size with a 25-week gestation. There are no signs of vulvar or perianal erythema, edema, or fissures. Microscopy of an adhesive tape that was applied to the perianal region shows multiple ova. Which of the following is the most appropriate next step in management?

A 20-year-old G1P0 woman at 12 weeks estimated gestational age presents to the obstetric clinic for the first prenatal visit. She admits to being unsure of whether to keep or abort the pregnancy but now has finally decided to keep it. She says she is experiencing constant fatigue. Physical examination reveals conjunctival pallor. Her hemoglobin level is 10.1 g/dL. Which of the following additional features would likely be present in this patient?

A 28-year-old woman, gravida 2, para 1, at 14 weeks' gestation, comes to the physician with a 3-day history of abnormal vaginal discharge. She has not had fever, chills, or abdominal pain. One week ago, her 2-year-old daughter had a urinary tract infection that quickly resolved after antibiotic therapy. The patient reports that she is sexually active with one male partner and they do not use condoms. Vital signs are within normal limits. Pelvic examination shows an inflamed and friable cervix. There is mucopurulent, foul-smelling discharge from the cervical os. There is no uterine or cervical motion tenderness. Vaginal pH measurement shows a pH of 3.5. Which of the following is the most appropriate initial step in management?

A 20-year-old woman comes to the physician for contraceptive counseling. She has recently become sexually active with her boyfriend and expresses concerns because approximately 10 days ago the condom broke during intercourse. Her medical history is significant for deep vein thrombosis and pulmonary embolism. Urine pregnancy test is negative. After discussing different contraceptive options, the patient says, “I'd like to try the most effective method that works without hormones and would allow me to become pregnant at a later time.” The contraceptive method that best meets the patient's wishes has which of the following mechanisms?

A 28-year-old primigravida presents to the office with complaints of heartburn while lying flat on the bed at night and mild constipation that started a couple of weeks ago. She is 10 weeks pregnant, as determined by her last menstrual period. Her first menstruation was at 13 years of age and she has always had regular 28-day cycles. Her past medical history is insignificant. She does not smoke cigarettes or drink alcohol and does not take any medications. Her father died of colon cancer at 70 years of age, while her mother has diabetes and hypertension. Her vital signs include: temperature 36.9℃ (98.4℉), blood pressure 98/52 mm Hg, pulse 113/minute, oxygen saturation 99%, and respiratory rate 12 /minute. The physical examination was unremarkable, except for a diastolic murmur heard over the apex. Which of the following is considered abnormal in this woman?

A 52-year-old female presents with a primary complaint of amenorrhea for the past 6 months. She also reports dyspareunia, recurrent headache, and infrequent episodes of night sweats. Diagnostic work-up reveals increased serum FSH levels. Which additional laboratory findings would most likely be seen in this patient?