Thanks for your query.
has a very low, though it still has, a failure rate.
Unfortunately in your case, there is failure of medical abortion .
In these circumstances, the only option for you is to go for a surgical termination ( D and C - dilatation and curettage
It is unfortunate, but do not worry, as it is not necessary that it would lead to problems in future conception.
If done in expert hands, it is as safe as medical abortion