Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Hypergonadotropic ovarian failure as a "rare disease". More information about Hypergonadotropic ovarian failure is available from Orphanet
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Hypergonadotropic ovarian failure.
❑ Physiologic menopause, the normal decline in ovarian function due to aging, begins in most women between ages 45 and 55, on average 51, and results in infrequent ovulation, decreased menstrual function and, eventually, cessation of menstruation.
❑ Pathologic (premature) menopause, the gradual or abrupt cessation of menstruation before age 40, occurs idiopathically in about 5% of women in the United States. However, certain diseases, especially severe infections and reproductive tract tumors, may cause pathologic menopause by seriously impairing ovarian function. Other factors that may precipitate pathologic menopause include malnutrition, debilitation, extreme emotional stress, excessive radiation exposure, and surgical procedures that impair ovarian blood supply.
Source: Professional Guide to Diseases (Eighth Edition), 2005
The term 'prevalence' of Hypergonadotropic ovarian failure usually refers to the estimated population of people who are managing Hypergonadotropic ovarian failure at any given time. The term 'incidence' of Hypergonadotropic ovarian failure refers to the annual diagnosis rate, or the number of new cases of Hypergonadotropic ovarian failure diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.
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