Question

In the given diagram contribution of hormone in mammary gland development and milk, secretion process is shown. Identify 'A' which gets secreted during parturition.

• A. Prolactin
• B. HCG
• C. Oxytocin
• D. Estrogen

Answer 1

The correct option is A Prolactin

The given figure demonstrates the action of various hormones on the development of mammary glands. Hormones like estrogen, adrenal steroids. and growth hormones are responsible for the growth of mammary ducts. These ducts are then acted on by the same hormones which cause branching to happen. Then prolactin is the hormone that is responsible for milk production by the mammary glands. It is produced in the pituitary gland and the levels of this hormone increase drastically in pregnant or breastfeeding women.

So, the correct answer is 'Prolactin'.