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Define lactation and explain its hormona...

Define lactation and explain its hormonal background.

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Lactation is the production of milk by mammary glands. The mammary glands show changes during every menstrual cycle, during pregnancy and lactation. Increased level of oestrogens, progesterone and human Placental Lactogen (hPL) towards the end of pregnancy stimulate the hypothalamus towards prolactin - releasing factors. The anterior pituitary responds by secreting prolactin which plays a major role in lactogenesis.
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