Which hormone is primarily responsible for stimulating milk production in lactating women

Which hormone is primarily responsible for stimulating milk production in lactating women

Which hormone is primarily responsible for stimulating milk production in lactating women?

A. Oxytocin

B. Prolactin

C. Estrogen

D. Progesterone

E. Follicle-stimulating hormone (FSH)

Answer: B

Explanation: Prolactin, secreted by the anterior pituitary gland, is the primary hormone that stimulates mammary gland development and milk production. Oxytocin stimulates milk ejection (let-down reflex), while estrogen and progesterone inhibit lactation during pregnancy.