YADI aapka masik chakr sahi aur santulit hai- yaani ki har mahine lag bhag unhee dino mein aata hai- toh, aap mid cycle yaani ki un dino jab mahila ka anda utpann hota hai, un dino aap sex keejiye aur discharge bhi yoni mein hee ho- toh chances bad jayenge. Hoep you understand.