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Mention the role of prolactin in lactati...

Mention the role of prolactin in lactational amenorrhoea.

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Suckling by the baby during breast-feeding stimulates the pituitary to secrete increased prolactin hormone in order to increase milk production. This high prolactin concentration in the mother.s blood may prevent menstrual cycle by suppressing the release of GnRH (Gonadotropin Releasing Hormone) from hypothalamus and gonadotropin secretion from the pituitary.
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Assertion : As long as the mother breast-feeds the child fully, chances of conception are almost nil Reason : Lactational amenorrhea method is based on the fact that ovulation does not occur during the period of intense lactation