How often do women get pregnant using pullout method 3-4days before ovulation.

~27% get pregnant/yr: The effectiveness of the withdrawal (pull-out) method is highly dependent on the male partner's ability to recognize when he is about to ejaculate, not ejaculating into the vagina or onto the vulva (outside vagina), cleaning off his penis and urinate prior to reattempting sex. With typical use, ~27/100 women will get pregnant (~4/100 with perfect use). However, this method will not prevent stis.