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 توضیحاتی در مورد پرده بکارت

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Hymen  

       (HI-min) (The hymen is a thin, delicate- membrane   membrane is like skin but much thinner). It partially covers the opening of the vagina in most girls.

       The hymen is simply the vestigial membranes of the vagina and urogenital sinus at their point of fusion.

       An elastic and collegenous tissue.

       In younger women, hymen is very vascular as opposed to menopausal women, which are very thin.

       In adult virginal women, the hymen is a different thickness that surrounds the vaginal opening more or less completed  

       The biological function of the human hymen is still uncertain;

       scientists hypothesize that it protects the vagina from infection in infants.

       The social function of the hymen, however, has been and still is a mythical symbol of virginity in many cultures

       Allow outflow of menestrual blood

Types

 

 

 

       Annular or circular – – in which the hymen forms a ring around the vaginal opening

       dentate

       fimbriated or denticular hymen --   a hymen with an opening which has serrate edges

       crescentric or  lunar hymen,   a moon-shaped hymen.-- anrerior , posterior

       hymen bifenestra¢tus,  --  a hymen with two openings side by side and a broad septum between them.

       Septate  a hymen in which the opening is divided by a narrow septum.

       hymen subsep¢tus--  a hymen in which the opening is partially filled by a septum growing out of one wall, but not reaching the other.

       Cribriform or fenestrated -- full of holes

       Complete absence of hymen

       Microperforate  --almost completely covers the opening but there is  the opening which is very small

       Imperforate --completely covers the opening

 

None secutal tear cuases

       Many girls and teens tear or otherwise dilate their hymen

       during first intercourse (coitus) or Rape .

       while participating in sports like bicycling, horseback riding, gymnastics

       or inserting tampons,

       or while masturbating.

        A girl may not even know this has occurred, since there may be little or no blood or pain involved when this happens.

 

         The hymental opening As a role, the hymen is torn during first intercourse (coitus) specially posteriorly or posterolaterally in two or more portions.

         commonly , rupture of the hymen is accompanied by slight bleeding, which stop spontaneously

         Occasionly  a rather large vessel is torn and can bleed profuesly that can cause shock and need of blood transfusion , it can be controlled by applying direct pressure to bleeding point but if it fail you must ligate or suture bleeding point

         The hymen may not be lacerated even with repeated coitus ( wide or elastic hymen ).

         In fact, many cases of pregnancy have been reported in women in whom the hymen has not have been ruptured.

         Some women are even born without a hymen

 

A woman's future can hang,                           

literally, by a membrane

 

         The hymen's a delicate membrane that separates girls from women

         In some societies, the hymen must be intact in unmarried women as proof of virginity.

          Without it,-- women are shunned as whores

                    --in extreme cases even murdered by male  relatives to restore family

honour.

 

Virgin

 

         The term "virgin" typically means someone who has never had sexual intercourse (specifically the penis entering the vagina)

         a man loses his virginity the first time his penis
enters the vagina. Similarly, a woman loses her virginity the first time a penis enters her vagina

         For the most part, being a virgin is not about whether a woman's hymen is intact or broken

         It used to be that on her wedding night, if a woman's first sexual intercourse (losing her virginity) was painful and there was blood on the sheets, that was proof that she was a virgin