same here... my first symptom of pregnancy was the increased heart beat... this started even before the pregancy test kit could detect my pregnancy... i guess from 3rd week...

Sonam and jyoti its completely normal during the pregnancy.... I had the same experience and got worried about it but then I came to know from my gyeno that it's normal

i m 21 weeks pregnant 

i m having heart palpitation from past 3/4 days heavy heart beat at night .it is noticeable every time its beating very fast.

plz help