• If by age 13 menses has not occurred and the onset of puberty, such as breast development, is absent, a workup for primary amenorrhea should start. (medscape.com)
  • Constitutional delay of growth and puberty commonly causes primary amenorrhea in patients with no sexual development. (aafp.org)
  • As pubertal changes precede the first period, or menarche, female children by the age of 14 who still have not reached menarche, plus having no sign of secondary sexual characteristics, such as thelarche or pubarche-thus are without evidence of initiation of puberty-are also considered as having primary amenorrhoea. (wikipedia.org)
  • The third section offers an update on the physiological effects of prolonged amenorrhea induced surgically or by hypothalamic dysfunction and also includes an original chapter that focuses solely on the impact of race and ethnicity on the prevalence and diagnosis of amenorrhea. (springer.com)
  • No consensus has been reached regarding the point at which oligomenorrhea becomes amenorrhea. (medscape.com)
  • Note, many of the conditions that can cause secondary amenorrhea may also cause oligomenorrhea, which is defined as less than nine menstrual cycles over the course of a year, as well as menorrhagia and metrorrhagia, collectively referred to as dysfunctional uterine bleeding. (oncologynurseadvisor.com)
  • You may need to have more calcium and vitamin D if your amenorrhea is caused by low estrogen levels. (drugs.com)
  • Prognostic Significance of Adjuvant Chemotherapy Induced Amenorrhea in Luminal A and B Subtypes In this retrospective study, chemotherapy induced amenorrhea in patients with early stage breast cancer and its effects on survival were investigated.Two hundred fifty-two patients received adjuvant chemotherapy without ovarian suppression treatment (OST) from 600 premenopausal patients were included in the study. (tripdatabase.com)
  • Chromosomal Aberrations in Primary Amenorrhea: A Retrospective Study. (nih.gov)
  • Relatively high levels of estrogens and androgens in the body - often a result of other medical conditions like polycystic ovary syndrome - will also lead to an occurrence of amenorrhea. (home-remedies-for-you.com)
  • When a woman is experiencing amenorrhoea, an eating disorder, and osteoporosis together, this is called female athlete triad syndrome. (wikipedia.org)