Late period


My periods are inregular my period was supposed to come on the 20th but it has not arrived on may 2nd i had unprotected sex used withdrawal method he ejaculated on my inner thigh close to vagina we were in.doggy style position ive had some bloating stomach aches and sore nipples when.i.squeeze them.ive been having white discharge kinda thick and white should i get a pregnancy text or should i wait a little.longer ? Cux its freaking me.out