I was on my period for 7 days and then few days after I woke up with belly ache like I needed the toilet but really bad so I went to the toilet then I had an upset tumny and now everytime I go to toilet it I have a wee n it feels like my belly is hurting but it feels like light period pains but it only happens when it wants to put everytime I need toilet I feels like a need a poo but nothing will come out?