TMI!!! What does early pregnancy discharge look like ?

AGAIN TMI!!! ??I have been TTC. First month using preseed & app. AF due 19th. I have milky white discharge n lots of it! Question is what's the difference between pregnancy white creamy milky discharge n the stuff u get b4 ur AF? Is there a difference? Now that started TTC seems I forgot what happened b4 every AF I've ever had lol. Appreciate any help ? Thank  u!