HeartBeat

Cno po nkaexperience d2 na my kakaibang tunog sa heartbeat ni baby? Ngpacheckup kc kmi knna dhil laging umiiyak c baby kht kargahin ganun pdn. Then nung pnakinggan ni pedia ung heartbeat prng kkaiba dw kya need namin ipa 2d echo.. ?