1. Gender test’s accuracy is questioned;Goldberg,2005
2. Boyce N. Critics question accuracy of fetus sex test. Morning Edition, National Public Radio, September 29, 2005.
3. Prenatal test reveals more than gender;O’Crowley,2005
4. At-home fetal DNA gender testing;Bianchi;Fertil Steril,2006
5. Test reveals gender early in pregnancy;Goldberg,2005