A baby's digestive system starts to develop before you might even know you're pregnant. While their first bowel movement isn't until after they're born, babies do pee in the womb and build up waste ...
When does your baby develop a heartbeat? A baby's heartbeat (at this point a fluttering of cells) starts as early as to 4 weeks after conception or 6 weeks after the first day of the last menstrual ...
Ranging from heel prick blood tests to hearing and heart screenings, these critical health checks in the first year of a baby ...