This information is in no way to make you feel guilty for trying fertility treatment but we should pay attention to worldwide trends toward delay in age of first birth in this country. Women are following the social norms and not making bad choices but we should pay attention to the correlation between age at pregnancy and risk of developmental disorders.
There is no definitive evidence of cause and effect between fertility treatment and developmental disorders. There is suggestive evidence in animal studies.
Fascinating interview on NPR today. Go to this link and read the article and listen to the show: http://www.npr.org/2013/01/17/169497668/grayest-generation-older-parenthood-in-the-u-s
More background information here:
Please talk to your personal physician about your own individual risk of having a baby with birth defects given what your doctor knows about you before moving forward with treatment.