Pregnancy begins when the fertilized egg implants in the uterine lining. Here's what to know about implantation and how long ...

When sperm meets egg, the start of life is not quiet. Under a special microscope, researchers have watched a tiny light show at fertilization. They see a microscopic flash at fertilization, a burst of ...

The amount of time that it takes to get pregnant after sex depends on individual circumstances. Conception can occur in hours or days, and implantation usually happens about a week later. No single ...