The state of a female after she has conceived until she gives birth. Undesirable physical and emotional symptoms experienced by some women before menstruation occurs. PMS symptoms include irritability, tension, breast tenderness, fatigue, anxiety, and depression. The days between menstruation and the onset of the fertile days when pregnancy is unlikely to occur. Progesterone One of the two major female sex hormones, produced primarily by the corpus luteum.
Progesterone stimulates the development of the endometrium to make it ready for implantation.
It also is responsible for the rise in basal body temperature and the change of fertile-type mucus after ovulation. Prolactin A hormone produced by the pituitary gland that causes the breasts to produce milk. High levels of prolactin are usually associated with menstrual irregularities and even infertility. The fluid ejaculated from the penis. Semen consists primarily of liquid from the prostate gland and from the seminal vesicles and normally contains sperm.