When Can You Hear Baby's Heartbeat? | 合法醫療器材資訊網

2018年9月26日—Yourbaby'sheartbeatshouldbebetween90-110beatsperminute(bpm)at6to7weeks.Bytheninthweek,yourbaby'sheartbeatshouldreach ...

Hearing a baby’s heartbeat for the first time is an exciting milestone for new parents-to-be.

A fetal heartbeat[1] may first be detected by a vaginal ultrasound as early as 5 1/2 to 6 weeks after conception. That’s when a fetal pole, the first visible sign of a developing embryo, can sometimes be seen.

But between 6 1/2 to 7 weeks after gestation, a heartbeat can be better assessed. That’s when your doctor may schedule your first abdominal[2] or vaginal ultrasound to check for signs of a healthy, developing pregnancy.

After a positive pregnancy test, your doctor may recommend you schedule an early pregnancy ultrasound scan around 7 1/2 to 8 weeks[3] of pregnancy. Some medical practices don’t schedule the first ultrasound until between 11 and 14 weeks.

Your doctor may recommend this scan as...