Table of Contents

Sex; The sex steroids; Testicular function; Ovarian function; The regulation of gonadal function; Maturation of the hypothalamic-pituitary gonadal axis; Actions of steroids in the adult; Coitus and fertilization; Implantation and the establishment of the placenta; Maternal recognition and support of pregnancy; The fetus and its preparations for birth; Parturition; Lactation and maternal behaviour; Fertility.