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

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 ?
Agenesis of the lower vagina and imperforate hymen may present either in the newborn period as a bulging introitus caused by mucocolpos from vaginal secretions stimulated by maternal estradiol or during adolescence at the time of menarche.
Acute urinary retention in two patients with imperforate hymen. Scandinavian J.
Hydrocolpos secondary to imperforate hymen has been described in several case reports [3-6].
Potential etiologies of hydrocolpos include imperforate hymen, vestibulovaginal stenosis, or an intraluminal mass obstructing fluid outflow of the vagina [1].
Various treatments of imperforate hymen have been described, including fenestration [5]; ovariohysterectomy with removal of the cervix and cranial half of the vagina [3,4]; and, if vestibulovaginal stenosis is present, resection of the stenotic region followed by vestibulovaginal anastomosis through an episiotomy [10].
In infancy, the imperforate hymen usually presents as a bulging introitus, due to stimulation from exposure to maternal estrogen.
In the prepubertal child, imperforate hymen needs to be differentiated from labial agglutination or congenital absence of the vagina.
If the uterus is present, the child should return once breast development starts, but before menarche, to initiate estrogen therapy before surgery After puberty, imperforate hymen usually presents with pain and amenorrhea; the hymen is usually bulging and has a bluish hue.
In the present case, we describe a pregnant woman diagnosed with imperforate hymen which never had penetrative vaginal sex and who took treatment for infertility.
An interesting rare case of spontaneous pregnancy with imperforate hymen and high transverse vaginal septum with bicornuate uterus.
Imperforate hymen can cause abdominal pain and primary amenorrhoea.
Microperforated hymens often resemble imperforate hymens but will open with time and estrogen secretion.