China has eased up on the one child policy. Older parents are rushing to fertility clinics in the hopes of having a second. As parental age rises, so does the possibility of genetic disease, from Down’s syndrome to deafness. This is where PGD comes in. PGD has existed for 30 years, but the procedure is being perfected only now, due to aggressive research in China. getAbstract recommends this Nature article to readers with an interest in the ethics of genetic testing.
About the Author
David Cyranoski is Nature’s Asia-Pacific correspondent, based in Shanghai. He covers many topics, with a special interest in stem cells.