Effect of Lactation on MC

• Not nursing females - MC 6 weeks after delivery when secretion of gonadotropins re-starts

• nursing females - amenorrhea 25-30weeks

nursing_ _ prolactin secretion_ _ GnRH _

0 pituitary gonadotropins _ no effect on ovary

inhibition of ovulation

ina_tive ovaries(_ estrogens,_progesterone)

anovulatory cycles afrer resumption of menses

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