University of wisconsin-madison

Reproductive Hormones of the Mare- Uterus and Ovary

The uterus and ovaries produce a variety of hormones that have major effects on reproduction. While the uterus produces prostaglandin F2a (PGF2a), the follicle on the ovary can produce estrogen and inhibin and the corpus luteum produces progesterone.

Hormone
Endocrine Gland
Function

Estrogen

follicle
Stimulates LH release and inhibits FSH release

Inhibin

dominant follicle
Inhibits FSH release

Progesterone

corpus luteum
Inhibits LH release

PGF2a

uterus
Inhibits progesterone release, stimulates uterine contractions during parturition

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Mare Endocrinology