What Does This Ultrasound Test Result For Vaginal Bleeding During Pregnancy Indicate?

Hello mam i am seven weeks four days pregnant and last week lightly spotting and now it s bleeding like menstrual period and lower abdominal pain and back pain.doctor says implantation bleeding but yesterday morning a small pink flesh came out i am very much tensed and taken ultrasound and internally scan reports says yolk sac feral pole and cardiac not visualize and gestational sac seen msd0.72cms.what to do?she said me to wait