Some hormones prevent the secretion of milk b | vedclass

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(D) During pregnancy,the mammary glands undergo development under the influence of hormones like estrogen and progesterone. However,the actual secreti

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Estrin and progestin

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(D) During pregnancy,the mammary glands undergo development under the influence of hormones like estrogen and progesterone. However,the actual secretion of milk is inhibited by high levels of estrogen and progesterone,which act on the mammary glands to prevent the action of prolactin. After the birth of the young one,the levels of these hormones drop,allowing prolactin to stimulate milk production. Therefore,the hormones responsible for checking milk secretion during pregnancy are estrogen (estrin) and progesterone (progestin).

Some hormones prevent the secretion of milk by the mammary glands until the birth of the young ones,even though the glands are fully prepared to do so. These hormones are:

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