AP Chief Medical Writer
May 7, 2012
Test-tube babies have higher rates of birth defects, and doctors have long wondered: Is it because of certain fertility treatments or infertility itself? A large new study from Australia suggests both may play a role.
Compared to those conceived naturally, babies that resulted from simple IVF, or in vitro fertilization â€” mixing eggs and sperm in a lab dish â€” had no greater risk of birth defects once factors such as the mom’s age and smoking were taken into account.
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