Help!!

Michelle

So I'm slightly confused iv had swollen breast for twelve days which is normal before my period however it's the twelfth and I ovulated from the second to the 8th so swollen breast all threw and after ovulation.. and then today I decided to have sex and when I wiped there was tiny drips of pink blood do you think it implantation or period coming early?? Tired of testing just for a bfn!!