Primary Amenorrhea

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  • 原発性無月経
  • ゲンパツセイ ムゲッケイ

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<p>Primary amenorrhea is defined as having no menstruation at the age of 18. There are various causes of primary amenorrhea. Chromosomal abnormalities occupy about 40% of the causes. Turner syndrome and androgen insensitivity syndrome are representative cases. In the former, the sex chromosome is XO and short stature is a characteristic example. In the latter, the sex chromosome is XY. About 15-20% of primary amenorrhea is caused by uterine and vaginal disorders, which lack uterus and vagina, namely Rokitansky syndrome.</p><p>It is essential to pay extreme caution at the time of explaining the disease to patients and their relatives. Explanation depends on the causative disease of amenorrhea but the following are common points to be stressed : 1) inability to expect fertility, 2) need of continuous hormone replacement therapy, 3) no hindrance in sexual life with a partner. It is crucial to have a number of occasions to explain. It is important to consider age of the patient and select appropriate words. A medical practitioner should transmit the correct concept of the disease and take appropriate measures based on the basics of psychosomatic medical care while supporting the patients to have the gender identity as a female.</p>

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