hello..l have 7 week pregnet.but abhi taq heart beat suru nahi huyi.so my quation is...pregnetsy ke kitne week ke bad bache ki heart beat suru hoti he????

A. A fetal heartbeat may first be detected by a vaginal ultrasound as early as 5 1/2 to 6 weeks after gestation. 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.