HAI WELCOME TO HCM PELVIC SCAN WILL confirm the intrauterine gestational sac and presence of yolk sac now. avoid exercises ,strict bed rest is needed upto 12 weeks. you can take aspirin 75 mg tab . check your anticardiolipin antibody and lupus anticoagulant ,thyroid profile. if it is positive you have to consult your gynaecologist for heparin injection.