Still waiting :)

Khyareha
So this might be TMI but i am 4days late for AF and i took a PT yesterday evening and it was negative but i have been BD and normally when my husband and i BD when AF is supposed to come she ends up coming but still not here still feel pressure in my lower abdomen and tender boobs when touched but keep getting negative should i test after tomorrow because tonight/tomorrow would be the last day of my cycle ?