Thanks for posting your query.
The treatment regimen seems to be fine. You may continue on the same. If you experience adverse effects or if the bleeding does not start after 72 hours, then please get back to your doctor. If the kit fails, then surgical option may be sorted. I do not think this would be the case in you.
You will mostly start bleeding after the last dose of 2 tablets, repeat an ultrasound
scan of the pelvis one week after you stop bleeding to make sure that the uterus
Get well soon.