4Women 
About.com
ACOG
aHealthyMe
Amazing Pregnancy
APA
Baby Center 
Baby Zone
CDC
Childbirth.org
eMedicine Health
Family Doctor
Fit Pregnancy
Healthline
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Medicine Net
My Optum Health
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Parenthood.com
Pregnancy Guide 
Pregnancy Today
Pregnancy.org
Pregnancyinfo.net
The Merck Manual
Womens Health Channel
Yahoo Health
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