around 16 weeks or earlier, the fetal heart rate can be detected by Dodobeat Doppler, but the results are not meant to replace your physician.
This App was created for parents save the time and feel the happiness of hearing her baby.
How to paly Dodobeat Fetal Doppler:
1. Listen fetal heartbeat sound by phone
When you connected the doppler to your phone, You can call phone number directly, other side can hear the heartbeat sound, press the "speaker" can be a normal conversation.
2.WeChat audio message
When you connected the doppler to your phone,，You can press “Hold to Talk” button, and record the heartbeat sound, then send this audio message to your friends.