insight anyone?4 days late


so on i had sex cd 13 and 15 spotted cd 14 and 16. have been having sore breast, back pain, crying, constipated, weird sleeping schedule,anyways had a cpl squinters so disregarded them but still no bfp. then today i put a tampon in just in case for work i usually use my diva cup. anyways when i removed it after work there was a vvf pink. like barely there. still no af. have no idea when i ovulated for sure. but what do you guys think? also my cycles are usually about 30 days