Heart flutters?

Mary • Hello my names mary im 33 my husband is 38 we have been married since this july 2015 been together since april of 08 we have two beautiful daughters ages 15 and 7 and s sob thsts 4

I’m 6 weeks 2 days and since finding out I’m pregnant my heart has been fluttering a lot anyone else experience this? Kinda scaring me