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Definition Developmental disorders of the vagina and vulva include many different structural problems that occur while the baby is developing in the mother's womb. Causes, incidence, and risk factors Abnormalities of the female vagina and vulva include: Imperforate hymen -- The hymen is a thin tissue that partly covers the opening to the vagina. An imperforate hymen completely blocks the vaginal opening, so menstrual blood or mucus cannot flow out of the body. This often leads to painful swelling of the vagina. Sometimes the hymen has only a very small opening. This problem may not be discovered until puberty. Some baby girls are born without a hymen. Vaginal abnormalities -- A baby girl may be born without a vagina or have the vaginal opening blocked by a layer of cells that are higher up in the vagina than where the hymen is. A missing vagina is most often due to Mayer-Rokitansky-Kuster-Hauser syndrome. In this syndrome, the baby is missing part or all of the internal reproductive organs...
Katz VL. Reproductive anatomy: Gross and microscopic, clinical correlations. In: Katz VL, Lentz GM, Lobo RA, Gershenson DM, eds. Comprehensive Gynecology . 5th ed. Philadelphia, Pa: Mosby Elsevier; 2007:chap 3.
Definition A streptococcal screen is a test to detect group A streptococcus, the most common cause of strep throat . Alternative Names Rapid strep test How the test is performed The test requires a throat swab. It takes about 7 minutes. The swab is tested to identify group A streptococcus. How to prepare for the test There is no special preparation. Inform the health care provider if you are taking, or have recently taken, antibiotics. How the test will feel Your throat will be swabbed in the area of the tonsils. This may make you gag. Why the test is performed Your health care provider may order this test if you have signs of strep throat or if you have symptoms of pharyngitis (sore throat).
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