A 26-year-old primigravid woman at 39 weeks' gestation is admitted to the hospital in active labor. Pregnancy was complicated by mild oligohydramnios detected a week ago, which was managed with hydration. Her pulse is 92/min, respirations are 18/min, and blood pressure is 134/76 mm Hg. Pelvic examination shows 100% cervical effacement and 10 cm cervical dilation; the vertex is at 0 station. Cardiotocography is shown. Which of the following is the most appropriate next step in management?
AMaternal repositioning and oxygen administration
BEmergent cesarean section
CElevation of the fetal head
DReassurance
ERapid amnioinfusion
A 34-year-old pregnant woman with unknown medical history is admitted to the hospital at her 36th week of gestation with painful contractions. She received no proper prenatal care during the current pregnancy. On presentation, her vital signs are as follows: blood pressure is 110/60 mm Hg, heart rate is 102/min, respiratory rate is 23/min, and temperature is 37.0℃ (98.6℉). Fetal heart rate is 179/min. Pelvic examination shows a closed non-effaced cervix. During the examination, the patient experiences a strong contraction accompanied by a high-intensity pain after which contractions disappear. The fetal heart rate becomes 85/min and continues to decrease. The fetal head is now floating. Which of the following factors would most likely be present in the patient’s history?
AFundal cesarean delivery
BAdenomyosis
CIntrauterine synechiae
DMultiple vaginal births
EPostabortion metroendometritis
A 36-year-old woman, gravida 3, para 2, at 37 weeks' gestation comes to the emergency department because of sparse vaginal bleeding for 3 hours. She also noticed the bleeding 3 days ago. She has had no prenatal care. Both of her previous children were delivered by lower segment transverse cesarean section. Her temperature is 37.1°C (98.8°F), pulse is 90/min, respirations are 16/min, and blood pressure is 110/80 mm Hg. The abdomen is nontender, and no contractions are felt. Examination shows that the fetus is in a vertex presentation. The fetal heart rate is 160/min and shows no abnormalities. Which of the following is the most appropriate next step in management?
APerform cesarean delivery
BPerform transvaginal sonography
CPerform Kleihauer-Betke test
DPerform pelvic examination
EConduct contraction stress test
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