Pain after abortion in stomach

Patient: My girlfriend was 6 weeks pregnant,i have provided the dosage of mifepristone and misoprostol ,after the dosage she is having pain(sometimes heavy pain & sometimes less) in stomach for short intervals may be due to cramps.Can u tell me why she is having such pain also the painkillers(suggest some name which is easily available in market in india) we can use if there is any for same?please reply ASAP

Symptoms: Stomach pain