Talk to Gynecologist on Pregnancy Termination

Aoa. I want to share a problem of behalf of my very close friend. She is pregnant cheked by strip. But ultrasound says that sac not seen. She dont want to continue her pregnancy as she has delivered a baby just before 2 monts via . now she have taken tablets gynaecosid 2 tablets same time but no bleeding... Now she wants to terminare pregnancy which tablets she should use? Can she take tablet breeky?