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Physiology 7

A 30-year-old woman presents to the emergency department with severe abdominal pain and vaginal bleeding for the past 6 hours. She reports a history of irregular menstrual cycles. She has been sexually active without using contraception and reports a positive home pregnancy test 2 weeks ago. Past medical history is otherwise unremarkable, and she does not take any medications. Vital signs are temperature 38.6°F (37.0°C), blood pressure 92/58 mmHg, pulse 128 beats/min, and respirations 22/min. On physical examination, she appears pale and diaphoretic. Abdominal examination reveals tenderness in the right lower quadrant with rebound tenderness. A pelvic examination is deferred due to the patient's discomfort. Transvaginal ultrasound demonstrates an empty uterus and fluid in the cul-de-sac.

Which of the following was the most likely site of implantation of the blastocyst in this patient?

  • A) Cervix
  • B) Endometrium
  • C) Fallopian tube
  • D) Fimbriae
  • E) Ovary

Authors

Dr. Ted O'Connell

Editor

Dr. Ted O'Connell

Last updated

Jun 06, 2024

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