Ectopic pregnancy Any pregnancy that implants outside of the uterine endometrial cavity is called an ectopic pregnancy. Despite improved diagnostic and therapeutic approaches to this disorder, ectopic pregnancy remains the…
Infertility is defined as a diminished capacity to conceive and bear a child. It is not equivalent to sterility, the absolute and irreversible inability to conceive. Clinically, a couple is…
Prior to 1980, sexual dysfunction of any cause was lumped under the term “impotence” for men and “frigidity” for women. Since then, the classification of sexual disorders has evolved and…
Primary amenorrhea is defined as failure to menstruate by age 16 in patients with normal secondary sexual characteristics or the failure to menstruate by age 14 in patients with no…
html xmlns=”http://www.w3.org/1999/xhtml”> 29 Delayed or absent puberty Delayed puberty is defined as the absence of secondary sexual characteristics at age 13 in girls and 16 in boys (Chapters 11 and…
The remaining cases of complete isosexual precocity are caused by central nervous system (CNS) lesions. These lesions include neoplasms, trauma, hydrocephalus, postinfectious encephalitis, congenital brain defects, tuberous sclerosis and neurofibromatosis…
The risk of pregnancy without contraception is 2–4% for each unprotected act of intercourse. In 100 women using no contraception, 85 pregnancies occur per year. Approximately half of all pregnancies…
Development of the breast The human mammary gland is derived from ectoderm. It is first visible in the 4-week embryo as a bud or nodule of epithelial tissue appearing along…
Ovary The ovary has two distinct functions: germ cell production and steroid hormone biosynthesis. Germ cell support occurs in microscopic structures known as ovarian follicles. Resting follicles each contain a…
