What is the name of the lactogenic hormone?

Which of these is a pituitary hormone that stimulates uterine contractions and milk ejection?

The inducer of the lac operon is lactose.

What hormone induces milk let down? a b c or d Oxytocin Adrenalin Cortisol Estrogen

Name the hormone in female that is produced by ovaries and helps in development of mammary glands.

which of the following is correct about the hormones that affect the secretion of mother’s milk?