The 'corpus luteum' in the ovary secretes large amounts of progesterone primarily to:

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After ovulation, the ruptured Graafian follicle transforms into a temporary endocrine structure called the corpus luteum. Its primary function is to secrete large amounts of progesterone (and some estrogen). Progesterone is crucial for maintaining the thickened, highly vascularized uterine endometrium (secretory phase), making it receptive for the implantation of a blastocyst. If fertilization does not occur, the corpus luteum degenerates, progesterone levels drop, and menstruation begins.

The 'corpus luteum' in the ovary secretes large amounts of progesterone primarily to: MCQ with Answer and Explanation

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