No heartbeat in TVS Ultraound

Hi mga Moms, Im 12 weeks pregnant. My last tvs ultrasound was April 7 and the Doctor said There is no fetal cardiac activity and no somatic motion at sabi nya pa sa sukat ng ultrasound nya 8 weeks and 5 days palang c Baby. At sabi ng Ob ko balik daw ako dis saturday to check again sa ultrasound, if wala pa din i raspa na ako. My 1st Tvs ultrasound was last week of Feb. and the ultrasound my Baby is 6 weeks and 5 days at my heartbeat na cxa sabi ni Doc sa ultrasound. Sino po nka experience nito. Pls help me po. Ty