heartbeat or hiccups?

mga momshie.. normal lng b n maramdaman ung heartbeat ni baby? or hiccups.. sobrang lakas kc tska continues takot tuloy aq kc dati pg Sipa lng ni baby nararamdamn ko,, ngaun kc di ko madetermine kung heart beat b un o hiccups pero tumitibok eh.. first tym mom kc kaya ngwoworried. I'm 27 weeks pregnant.. thankyou.❤️❤️?