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What are the dangers of pityriasis rosea in pregnant women?

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Although pityriasis rosea is normally harmless, there is a danger that pregnant women with the illness could have a miscarriage or a premature delivery. Experts have not determined what causes pityriasis rosea, but since it is not caused by a bacteria or a fungus or an allergic reaction, it may be a virus, according to WebMD.

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Full Answer

Pityriasis rosea is a skin problem that causes a rash. It generally starts off as a scaly single round or oval pink patch that quickly turns to batches of the rash on the back, chest, arms, legs or abdomen. About half of the people who get the rash experience itching and it can last for six to eight weeks or longer.

Based on studies notated on the J Watch website, the condition is linked to a reactivated case of HHV-6 and HHV-7, the human herpes virus. A study conducted in Italy followed 38 women who developed Pityriasis rosea during pregnancy and out of those 30 women, five experienced miscarriages. The miscarriage rate was 62 percent in the women who developed the condition during the early stages of pregnancy and 13 percent for those who developed the condition after 15 weeks of pregnancy. The women who developed the condition between 16 and 20 weeks of gestation had infants who commonly displayed weak motion and hypotonia. Only 33 percent of the pregnancies resulted in healthy infants and 24 percent of the mothers delivered their babies prematurely.

The dangers increased for pregnant women who displayed signs of severe pityriasis rosea and had more complaints about symptoms associated with the condition, such as headaches, fatigue, insomnia and anorexia. The report shown that the HHV-6 was active in both the mother and the miscarried fetus.

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