postnatal Occurring after birth.
prenatal Before birth; also referred to as antepartal.
prenatal care The medical and nursing supervision and care given to the pregnant
woman during the period between conception and the onset of labor.
pregnancy The condition of having a developing embryo or fetus in the body after
fertilization of the female egg by the male sperm.
presentation That part of the fetus which is coming through or attempting to come
through the pelvis first.
primigravida A woman pregnant for the first time.
primipara A woman who has delivered one child after the age of viability.
progesterone The pure hormone contained in the corpora lutea whose function is to
prepare the endometrium for the reception and development of the fertilized ovum.
prostate gland A single gland about the size and shape of a chestnut.
quickening Fetal movement within the uterus.
reproduction The process by which an offspring is formed.
scrotum Pouch forming part of the male external genitalia containing the testicles and
part of the spermatic cord.
seminal vesicles Two pouches that store sperm.
sex chromosomes The X and Y chromosomes which are responsible for sex
sperm The male sex cell.
spermatogenesis The formation of sperm.
spermatozoa Mature sperm cells of the male produced by the testes.