What Causes Pink Vaginal Discharge?

Im I doing it right
hello my name is ella. back in feb. i had a set of twins they were to early and did not make it. i am trying to get pregnant again. i have been having sec everytime i ovulate ( well whenever i get that jelly discharge) . last night i had intercourse with my husband and as far as i know i am ovulating. this afternoon when i woke up i started cramping and the jelly discharge im having is clear with pink tint. i have never had the pale pink in it before ...what is going on? could it be implantation? i really need help plz ty