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 ?
Hydrocolpos secondary to imperforate hymen has been described in several case reports [3-6].
Definitive diagnosis of imperforate hymen is generally made by visualization of the hymen using vaginoscopy or visual speculum examination [3, 5, 6].
2%) Polymenorrhoea 9 Oligomenorrhoea 21 Menorrhagia 15 Table-3: Causes of Amenorrhoea (n = 27) Causes Number Primary Amenorrhoea 7 Imperforate Hymen 2 Mullerian agenesis 4 Turner's syndrome 1 Secondary Amenorrhoea 20 Polycystic ovarian disease 10 Pregnancy 9 Premature ovarian failure 1 Table-4: Causes of Menstrual Dysfunctional (n = 56) Types of Menstrual Disorder Number Dysmenorrhoea 11 Primary 10 Secondary 1 Irregular Menses 45 Dysfunctional uterine bleeding 28 Polycystic ovarian syndrome 9 Hypothyroidism 3 Hyperprolactinemia 4 Clotting disorder (ITP) 1
Imperforate hymen and ruptured hematosalpinx: a case report with a review of the literature.
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.
Microperforated hymens often resemble imperforate hymens but will open with time and estrogen secretion.