Is it safe to take fetal chorionic villus sampling

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If there is any doubt that a fetus with a genetic disease may be delivered, the fetus should be examined at ninth and eleventh weeks of gest

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If there is any doubt that a fetus with a genetic disease may be delivered, the fetus should be examined at ninth and eleventh weeks of gestation.

Sampling inspection is an abnormal villus identification of genetic examination, including genetic material from placenta suction with syringe needle hairs, villous branch after treatment (strict isolation and decidua) or by short-term culture after chromosome analysis, enzyme and protein detection and direct extraction of DNA gene analysis. Fetal sex was determined, and the fetus was diagnosed with genetic defects. The test also can diagnose fetal diseases such as Down syndrome, Tay Sachs disease and cystic fibrosis.

Aspiration of villi can be sampled through the cervix, preferably under B ultrasound monitoring.

The villus sampling operation at 8~10 weeks of pregnancy, if the fetus was found to have chromosomal abnormalities, as long as the implementation of endometrial curettage can terminate pregnancy, not only in more time and money on the economy, but also relatively safe.

The probability of picking operation caused by abortion villi is 3%~5%.

The villus sampling operation may hurt the little life, chance to generate about 1% of fetal limb deformity.

Now only biopsy diagnosed sex and chromosome abnormal fetal villi / recovery. To determine whether the need for abortion, termination of pregnancy.

The test is less likely to cause miscarriage and can be diagnosed earlier than amniocentesis. However, the risk of normal pregnancy was higher than that of amniocentesis.

It is found that the chorionic villus sampling has teratogenic effects on the fetus. In the UK, researchers first identified 5 unique and rare malformations in babies born to pregnant women who had received the test, and the results were confirmed in Italy and the United states. So pregnant women in the hospital to be careful when checking, so as not to affect the health of future generations.

From the "280 days of fetal education reading every day", Hebei people's publishing house, 2007, edited by Wang Xinliang

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