Welcome to HCM.
You have not mentioned whether you had ultrasound
It is absolutely essential that an ultra sound
study should be done to confirm the gestational age
and that it is in the uterine cavity
and not ectopic, before medical termination of pregnancy, is attempted. More over it has to be under strict direction and supervision of proper medical expert
in that field.
If you have not yet consulted an obstetrician. I suggest you immediately consult one and you will certainly need an ultrasound study to exclude ectopic gestation, in which case the medicines you have take will cause more complications than relief.