Reproductive System Exam Questions Related

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Which of the following are layers of endometrium in pregnancy EXCEPT?

  • A. Decidua compacta
  • B. Decidua spongiosum
  • C. Decidua functionalis
  • D. Decidua basalis
Correct Answer: C

Rationale: During pregnancy, the layers of endometrium include decidua compacta, decidua spongiosum, and decidua basalis. Decidua functionalis is the layer that sheds during menstruation and regenerates each cycle, not a layer of the endometrium during pregnancy. Therefore, choice C is the correct answer. Decidua compacta is the layer closest to the conceptus, decidua spongiosum is the middle layer, and decidua basalis is the layer adjacent to the myometrium.