How embryos get nutrients from mom

Exactly how human embryos could get all of the nutrition they needed during the first 11 weeks of pregnancy has been a mystery - until now.

8 ways to manage the wait to take a pregnancy test

Your timing was right and you're ready for this -- all you need to do is wait for that positive pregnancy test. Sounds easy enough, right? Well, if you really think you might be pregnant, you know that this t...