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* The pocket fetal doppler detector is a hand-held obstetrical unit, which is applicable to clinic and home for daily self-check by pregnant women.
* It contains components of an ultrasonic signal transmitter and receiver, an analog signal processing unit, FHR calculating unit, 2 screens optional, etc.
* Calculating FHR with DSP techniques as used in the fetal heart monitor, ensure the FHR accuracy and reliability.
Advantages of fetal doppler:
1）2.5 Mhz Waterproof probe
High sensitivity of the probe, 12~16weeks can hear fetal heartbeat .
2）LCD digital screen
Light screen , the digital display is more clearer .
3) Two model shows
Press the left button , switch two model shows .
After tested , Seldom no radiation .
5）Turn off automatically
No operation automatically turn down within 60S.
Parameters of fetal doppler :
Q: When can use this pocket fetal doppler detector hear baby heartbeat ?
A: Some Pregnant woman can heard baby hearbeat in 12weeks , most of Pregnant can heard in 16 weeks .
Q: What is Normal fetal heart rate ?
A: 120-160bpm / min .
Q: How to find fetal heart ?
A : Within 20 weeks , near the pubis in the midline of the abdomen.
21 weeks -30 weeks, near the left and right of the navel .
Over 31 weeks, Above and the navel .
Q: What fetal heartbeat sounds like ?
A: It sounds like ldquo hong -hong ldquo just like a train voice.