Hindi ka lang, mommy! A few of us felt na parang mabilis at malakas ang heartbeat, lalo na towards the end ng pregnancy, it's because your body is pumping more blood para sa baby mo. Best to mention it sa OB mo during your next check-up though, para sure lang na lahat ay normal at walang anemia or anything else going on, kasi alam mo naman pregnancy changes a lot of things sa body natin!