Question

Release of milk from mother's breast is controlled by

• A. Prolactin
• B. Relaxin
• C. Oxytocin
• D. Progesterone

Answer 1

Answer: (C)

Oxytocin

A. Prolactin, also known as lactogenic hormone is produced by the pituitary gland. This hormones stimulates the production of milk in mammary glands during pregnancy.

B. Relaxin is a protein hormone secreted by placenta. It dilates the cervix and aids in childbirth.

C. Oxytocin is secreted from the posterior pituitary and helps in the contraction of uterus during childbirth and also stimulates release of milk from mammary glands i.e. lactation.

D. Progesterone is a steroid female sex hormone which is also known as pregnancy hormone. It maintains the inner lining of uterus which aids in implantation of embryo in the uterus.

So, the correct answer is 'Oxytocin'.