imperforate hymen


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im·per·fo·rate hy·men

[MIM*237100]
a condition in which the membrane has no opening and completely occludes the vagina.

imperforate hymen

Etymology: L, im + perforare, to pierce; Gk, hymen, membrane
a hymen that completely encloses the external orifice of the vagina.
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Imperforate hymen

imperforate hymen

A hymen without an opening. Menstruation occurs, but the blood cannot escape from the vagina because of the obstruction of the hymen. The treatment is surgical incision of the hymen.
Synonym: unruptured hymen
See also: hymen
References in periodicals archive ?
Among developmental abnormalities of the vagina, imperforate hymen is usually asymptomatic until a child reaches menarche, he said.
A partially imperforate hymen, as in this case, may not be diagnosed until a young woman attempts intercourse or until her first gynecologic visit.
In the prepubertal child, imperforate hymen needs to be differentiated from labial agglutination or congenital absence of the vagina.