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The hymen has dense innervation. In newborn babies, still under the influence of the mother's hormones, the hymen is thick, pale pink, and redundant (folds in on itself and may protrude). For the first two to four years of life, the infant produces hormones that continue this effect. [12] Their hymenal opening tends to be annular ...
In newborns the diagnosis is based on the findings of an abdominal or pelvic mass or a bulging hymen. [7] Examination of the normal neonatal vagina usually reveals a track of mucus at the posterior commissure of the labia majora ; an absence of mucus may indicate an imperforate hymen or another vaginal obstruction.
Other abnormalities of the hymen can exist including the presence of septa, displacement and a hymen that consists of microperforations. [47] [19] Uncommonly, a double hymen is present. [48] [49] [50] The imperforate hymen is treated by excision and drainage. Sometimes a small border of hymenal tissue is left around the opening of the vagina. [51]
A septate hymen occurs when there is an extra band of tissue in the middle of the vaginal opening, causing two small holes, instead of one (it kind of looks like a nostril).
h. Situation of the hymen. i. Lower part of the intestine. l. Labium majus. n. Labium minus. o. The left ovary. po. Epoophoron. sc. Corpus cavernosum urethrae. u. Uterus. The uterine tube of the right side is marked m. v. Vulva. va. Vagina. W. Scattered remains of Wolffian tubes near it (paroöphoron of Waldeyer). C.—Diagram of the male type ...
Louise Joy Brown (born 25 July 1978) is an English woman who was the first human to have been born after conception by in vitro fertilisation experiment (IVF). Her birth, following a procedure pioneered in Britain, has been lauded among "the most remarkable medical breakthroughs of the 20th Century".
Vaginal atresia is a condition in which the vagina is abnormally closed or absent. The main causes can either be complete vaginal hypoplasia, or a vaginal obstruction, often caused by an imperforate hymen or, less commonly, a transverse vaginal septum.
The hymen will usually rupture during the ... The newborn's vulva may be swollen or enlarged ... the vagina and vulva must stretch to accommodate the baby's head ...