I'm 29 Years Old , 5 Weeks Pregnancy, Doctor Suggested

I'm 29 years old , 5 weeks pregnancy, doctor suggested me festone combo kit, then bleeding started, now 15 days passed ... , continues bleeding... Then my doctor ultrasound and advised me zitotec 200 two tablet twice a day... And then my doc said to me next process is abortion to clear the blood clots.... Please suggest me ... What is next... Is it work ???