Could I be pregnant

TayTay

Hey guys I have a question My egg drop on the 3 I had unprotected sex on the 2 and today would make it 11 DPO I have mood swings and my breast was sore last night but not Anymore and I had some lower cramps in my stomach on the right side it even hurts to the touch I’m not sure if that’s a sign I never had that pain before also my back is killing me I’m taking test every day but still get this BFN and it hurts my feelings so much you guys don’t understand Can it all be in my head or I’m testing to soon somebody please tell what to do 😌 (by the way the test is digital)