After taking unwanted 72 lot period pain

My gf had period on 12 jan and we did 1st time sex like I am putting my penis on her vagina and try to rub but some part of penis entered in vagina and she got blood. I removed my penis all happen on 22 jan. but I did not cum in vagina. but due to unsecured I gave her unwanted 72 on 4th day on 26 jan. after 2 days she getting water in mouth and thoda thoda chakkr sa and after 2 day she getting swell in vagina and some white discharge. and some fever like warm body and on 6 th day she feels pain like periods. but there is no periods today 7 days completed bt she complaining about fever type from 2 days after medicine . She took crocin and got relife in fever . Today 5 fed she got period as per her cycle bt she has lot of pain in whole body including stomach bt she never felt this type of pain in her periods before. Also period dont have flow like perivous .Plz suggest what should we do . Is she pregnant