Ay sis, I know ang worry mo! Pero this is something you really need to confirm with your OB talaga, fetal heart rates can vary and only your doctor can check kung normal for your baby's age, okay? A few of us mums went through the same anxiety during early pregnancy, but we learned na ang ultrasound findings ay kailangan talaga i-interpret ng doctor para makita kung lahat's good. Tawagan lang agad ang clinic mo para ma-ease mo ang mind mo, yan ang best para sa peace of mind mo at sa baby. Sending you love, sis!