Articles on Medical Diseases and Conditions

Secondary amenorrhea implies ending of menstruation after menstruation has already begun. A list of etiologies of secondary amenorrhea is presented in the box, grouped according to evidence of ovarian function (from tests discussed in the section on primary amenorrhea). If menstruation definitely takes place, especially if it continues for several months or years, this eliminates […]

Onset of normal puberty in girls is somewhat variable, with disagreement in the literature concerning at what age to diagnose precocious puberty and at what age to suspect delayed puberty. The most generally agreed-on range of onset for female puberty is between 9 and 16 years. Signs of puberty include breast development, growth of pubic […]