<3Ttc period 3 days late.! Pregnancy symptoms.!! could i be prego.?? ?

My period has never been late but for three months i have been getting it twice a month . This month it went off on the first . I ovulated the 5th-10th had unprotected during that time and a few times after. When i had with my bf the same day when i went to pee i wiped and there was a little bit of blood on the napkin but only that once. My stomach has been cramping like my period is coming on but it hasnt my body is hot to the touch my are sore to the touch sometimes my lower back hurts &&'dd i havw headaches not badd oned . I have milky white discharge. If you push down on my stomach under my belly on its very sore also i have a pain under my right rib. We want to have a child so we might just want it to bad . I am opened to any advice thank you in advance .!! <3