Q.

Mark the correct statement about relaxin.

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a

It is secreted by both placenta and ovary.

b

It is the milk ejection hormone.

c

It is secreted throughout the fertile period in a woman.

d

It is secreted in the initial phase of pregnancy.

answer is B.

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Detailed Solution

Relaxin is secreted by the ovaries as well as placenta in the later phase of pregnancy. Relaxin increases the flexibility of the pubic symphysis and ligaments of the sacroiliac and sacrococcygeal joints that help to dilate the cervix during labour. It is secreted only during pregnancy.

Oxytocin is the milk ejection hormone.

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