<unk>  is classified as either primary or secondary. Primary<unk>  Primary<unk>  is the absence of menstruation in a woman by the age of 16. Females who have not reached menarche at 14 and who have no signs of secondary sexual characteristics (thelarche or pubarche) are also considered to have primary<unk> . Examples of<unk>  include constitutional delay of puberty, Turner's syndrome, and Mayer–Rokitansky–Küster–Hauser (MRKH) syndrome. Secondary<unk>  Secondary<unk>  is when defined as the absence of menstruation for three months in a woman with a history of regular cyclic bleeding or six months in a woman with a history of irregular menstrual periods. Examples of secondary<unk>  include hypothyroidism, hyperthyroidism, hyperprolactinemia, polycystic ovarian syndrome, primary ovarian insufficiency, and functional hypothalamic<unk> .
Amenorrhea
Dysmenorrhea
Blennorrhoea
Hypomenorrhea
Oligomenorrhea
Constipation
Spermaturia
Geniospasm