worried 😔 14wks no hb

normal po ba na wala pa marinig na heartbeat s doppler ? sept.12 follow up check up ko para s heartbeat ni bby .. 14weeks pero wala p dw marinig balik dw ako nxt follow up oct10 .. para mcheck ult . nung first check up ko aug.28 inultrasound naman ako at ok naman lahat ng result base on photo