I had sex with my bf 14 days after my period was gone. We didn't use protection. 4days after I stared having abdominal pains and lower back pains and also light pink period for three days. But it was not time for my period to come i need it two more weeks for me to get my period im still breast feeding my 18old month daughter. After the light pink period was gone i still feel like if im going to get my period but nothing happens and im still having back pains and abdominal pain too.I'm expecting my period on the 18 of Nov I'm so confuse can i be pregnant please help me .