how long it takes for baby to develop heartbeat
Time Frame. A baby develops a heartbeat early in the first trimester. The first trimester is the first 12 weeks of pregnancy as measured by the first day of the last period, according to MayoClinic.com. These early weeks are marked by intense hormonal changes in the womanâs body and rapid growth in the babyâs body.onsiderations. Seeing and hearing your babyâs heartbeat is a miraculous feeling for many moms-to-be, but the first trimester is a fragile time in the development of a baby. A firm heartbeat does not always mean that the baby is developing normally. If the baby is not healthy, a miscarriage may occur at this time.
An unborn baby has a heartbeat as early as near the end of the first month of pregnancy, during week four or week five, according to the American College of Obstetricians and Gynecologists. This is just two to three weeks after conception.n unborn baby has a heartbeat as early as near the end of the first month of pregnancy, during week four or week five, according to the American College of Obstetricians and Gynecologists. This is just two to three weeks after conception.