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Question

Mammalian corpus luteum acts like endocrine gland as it majorly produces _________.

A
estrogen only
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B
progesterone
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C
human chorionic gonadotropin (hCG)
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D
human placental lactogen (hPL)
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Solution

The correct option is B progesterone

The ruptured Graafian follicle transforms into corpus luteum in case of pregnancy.

The corpus luteum is a temporary endocrine structure that produces large amounts of progesterone and small amounts of estrogen.

Thus, the main function of the corpus luteum is production of progesterone.

Estrogen hormone maintains the endometrium of the uterus which is essential for the implantation of the embryo.

Human placental lactogen (hPL) is secreted by the placenta. Human chorionic gonadotropin (hCG) is produced by cells that are surrounding a growing embryo, which eventually forms the placenta.


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