Help please i big problam

Patient: Me and my gf had sex yesterday , day before yesterday her period were ended , the sex was unprotected so as precaution i gave her unwanted 72 but after 6-7 h her lower abdomen start paining , pain continued for 20 min then stoped after 10 -11 h it again star paining it end after 20 min , then after 12-13 h it again start paining this time pain was for 30-40 min . is it normal , or anything serious….. plz tell me fast i love her so much i don’t want that any thing get wrong with her , it was my first and last attempt plz help doctor plzz help…. i m in so much tention…. plz help…..

Symptoms: Only low abdomen in regular pain..