Ello.My Last Period Was In 7th Of December.I Had Sex

ello.My last period was in 7th of December.I had sex every day without any contraception.After my ovulation day I had pregnancy symptoms: tender breast, abdominal cramps, headache, low back pain,too much vaginal discharge, pain in my right side.I thought I am pregnant but this Friday I was bleeding.is it my period or something else? What do you think? And sorry for bothering you