http://www.pregnancy.com/

http://www.pregnancy-info.net/

http://www.justmommies.com/pregnancychannel.shtml

http://www.nlm.nih.gov/medlineplus/pregnancy.html

http://www.fisher-price.com/us/ms4/pregnancy-info.asp

http://www.cdc.gov/ncbddd/pregnancy_gateway

http://www.gloriaspregnancyinfo.com/index.html

http://www.babycenter.com/pregnancy?intcmp=Nav_Global_Preg

http://www.uptodate.com/patients/about/toc.do?full_url_key=true&tocKey=table_of_contents/patient_information/pregnancy

http://www.epregnancy.com/