Please answer experts,,....,,

Dear student,
Please find below the answer:

The correct option is (1).
During labor, the positive feedback mechanism of oxytocin leads to the release of the hormone to the hypothalamus so as to increase the contraction frequency of the womb. This helps in pushing the child out of the birth canal.

Mammary glands produce milk after childbirth. During pregnancy, the hormones like progesterone and prolactin are released. They help in stimulating the formation of alveoli in mammary glands. 

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