A 26-year-old Caucasian G1 presents at 35 weeks gestation with mild vaginal bleeding. She reports no abdominal pain or uterine contractions. She received no prenatal care after 20 weeks gestation because she was traveling. Prior to the current pregnancy, she used oral contraception. At 22 years of age she underwent a cervical polypectomy. She has a 5 pack-year smoking history. The blood pressure is 115/70 mmHg, the heart rate is 88/min, the respiratory rate is 14/min, and the temperature is 36.7℃ (98℉). Abdominal palpation reveals no uterine tenderness or contractions. The fundus is palpable between the umbilicus and the xiphoid process. An ultrasound exam shows placental extension over the internal cervical os. Which of the following factors present in this patient is the risk factor for her condition?
AWhite race
BSmoking
CHistory of cervical polyp
DIntake of oral contraceptives
ENulliparity
A 38-year-old woman, gravida 2, para 1, at 35 weeks' gestation comes to the emergency department because of an episode of vaginal bleeding that morning. The bleeding has subsided. She has had no prenatal care. Her previous child was delivered with a caesarean section because of a breech presentation. Her temperature is 37.1°C (98.8°F), pulse is 88/min, respirations are 14/min, and blood pressure is 125/85 mm Hg. The abdomen is nontender and the size of the uterus is consistent with a 35-week gestation. No contractions are felt. The fetal heart rate is 145/min. Her hemoglobin concentration is 12 g/dL, leukocyte count is 13,000/mm3, and platelet count is 350,000/mm3. Transvaginal ultrasound shows that the placenta covers the internal os. Which of the following is the most appropriate next step in management?
ASchedule elective cesarean delivery
BObservation only
CPerform bimanual pelvic examination
DPerform emergency cesarean delivery
EAdminister oxytocin to induce labor
A 35-year-old G3P2 woman currently 39 weeks pregnant presents to the emergency department with painful vaginal bleeding shortly after a motor vehicle accident in which she was a passenger. She had her seat belt on and reports that the airbag deployed immediately upon her car's impact against a tree. She admits that she actively smokes cigarettes. Her prenatal workup is unremarkable. Her previous pregnancies were remarkable for one episode of chorioamnionitis that resolved with antibiotics. Her temperature is 98.6°F (37°C), blood pressure is 90/60 mmHg, pulse is 130/min, and respirations are 20/min. The fetal pulse is 110/min. Her uterus is tender and firm. The remainder of her physical exam is unremarkable. What is the most likely diagnosis?
APlacental abruption
BEclampsia
CVasa previa
DPreterm labor
EPreeclampsia
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