9 weeks pregnant but no heartbeat found in ultrasound

Hi. May I ask if may mga cases talaga na late nakikita ang heartbeat ni baby and late development ang size? 9 weeks pregnant and sabi ng ob ko size ni baby is pang 5 weeks palang and no heartbeat found.sobrang kinakabahan nako at nastress. What should I do? 😔#firstbaby #pregnancy #1stimemom #advicepls