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The hormone progesterone in human female is produced by?

A
  

cervix

B
  

corpus luteum

C
  

inner layer of uterus

D
  

oviduct

Correct Answer: B

corpus luteum

Progesterone is a vital female sex hormone primarily produced by the corpus luteum, a temporary endocrine gland that forms in the ovary right after ovulation. It develops from the ruptured follicle and immediately starts secreting progesterone to prepare the uterus for a possible pregnancy.

  • Formation: After a mature egg is released, the empty follicle transforms into corpus luteum and begins hormone secretion
  • Primary Role: Thickens and prepares the uterine lining (endometrium) for successful embryo implantation
  • Pregnancy Support: If fertilisation occurs, corpus luteum continues producing progesterone until the placenta takes over around the third month
  • Ovulation Prevention: Progesterone actively prevents further ovulation during pregnancy to protect the developing embryo
  • Stable Environment: Maintains a safe, nourishing, and stable environment inside the womb for healthy embryo development

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