Explanation:
Prolactin is a protein hormone of the anterior pituitary gland that was originally named for its ability to promote lactation in response to the suckling stimulus of hungry young mammals.
Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy.
C because a scitienfic injury is a process where you make a hypothesis based off something you kinda of know about then you test your hypothesis by doing an expedient and multiple trials