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MDCAT Biology QUESTION #11273
Question 1
The corpus luteum secretes which hormone to maintain the endometrium during early pregnancy?
  • FSH
  • LH
  • Progesterone✔️
  • Estrogen
Correct Answer Explanation
The corpus luteum (formed from the ruptured ovarian follicle after ovulation) secretes progesterone and estrogen. Progesterone is essential for maintaining the thickened endometrium and preventing uterine contractions during early pregnancy.