Estrogen, progestrone and relaxin hormones are secreted from

Estrogen, progestrone and relaxin hormones are secreted from Ovary.
Ovaries produce and release two groups of sex hormones, progesterone and estrogen. There are three major estrogens, known estradiol, estrone, and estriol. These substances work together to promote the healthy development of female sex characteristics during puberty and to ensure fertility.