Im 25, Im eagerly trying 2 concieve but no use! Today is my day1, which could b the right days for me 2 get pregnant? pl help me.. im regularly taking medicines for my irregular n PCOS problem.

what is the term "implantation date signaling a pregnancy" called? and AF called? n is DPO calculated from day 1? can i concieve even after bleeding if so how long will i get bleeding or full 3 days?