Nausea, secrecy and milestone waiting can stretch early pregnancy into slow motion. Here is the science behind why the first ...

A pregnancy test can tell you that you're expecting as early as 4 weeks, but most doctors won't see you for another month. Many women want care sooner. Why's it so hard to get and what can you do?

During the first weeks of pregnancy, the developing placenta in a mother's womb undergoes a dramatic change. Individual cells ...