Fetal Heartbeat At 34 Weeks Pregnant When Is The Soonest You Can See A Fetal Heartbeat On A Ultrasound??

When is the soonest you can see a fetal heartbeat on a ultrasound?? - fetal heartbeat at 34 weeks pregnant

Hello I had a miscarriage in March, and learned recently that she is pregnant again:) but now I'm really nervous about our baby. Who knows, if you can before a beating fetal heart seen in the ultrasound? I'm going up to 5 weeks. Thank you!