Talk to Gynecologist on Miss Abort After 9 Weeks Pregnancy

i am 44 years late at marriage, after 4 months of marriage I had a natural pregnancy in my 1st ultrasound found a single alive intrauterine pregnancy seen.Gestational sac measure 1.4cm corresponding to 5.5 weeks.Fetal pole seen.CRL measures 0.78cm corresponding to gestational age of 6.6 weeks.but after 10 days ultrasound found no cardiac flicker seen. then I used Breeky 200 msg tablet which prescribed my doctor, what should I do now to plane my pregnancy,

need suggestion