Answer:
Oxytocin
Step-by-step explanation:
Oxytocin is a hormone produce in the hypothalamus region of the brain, help secreted by the pituitary gland and has a wide variety of function within the human body; both male and female.
The hormone has been found to be responsible for womb contraction during labor in pregnant women and also promote lactation by moving milk into the breast after giving birth. It also aids the release of breast-milk during the feeding of the baby.
In men, the hormone has been found to be important in the movement of sperm cells as well as the production of testosterone.
The correct answer is oxytocin.