I am 37 week pregnant
My baby foetus heart beat is 168 bpm at 8 week
Fhr is 150 at 20 weeks
Fhr is 148 at 29 weeks
Fhr is142 at 36 weeks
What is my baby boy or girl??

Heartbeat proves nothing. Ultrasound will easily identify at 37 weeks.

Gender cannot be determined by heart rate. The normal heart rate of any fetus, male or female, is between 120 and 160 beats per minute.