Add Yahoo as a preferred source to see more of our stories on Google. You might not hear your baby's heartbeat if it's too early in your pregnancy. A tilted uterus or body fat can make it harder to ...

Nearly five years ago, Amir Lahav became a parent of twins born prematurely at 25 weeks. They weighed just over 1 pound each. Welcoming two newborns into the family certainly changed his life, but as ...