 [ Symptoms ] will i get pregnant does making period comes faster helps to prevent a pregnancy from occuring  my menstrual cycle is around 34 36 days as calculated my bf ejaculated at the opening of my vagina during day 23 of my menstrual cycle is there anything i can do to prevent the sperm from meeting the egg and makes my menstruation comes faster other than the pills [ Disease ] i am not an md but i asked my doctor the same exact question a few years ago he said herpes is a blood borne virus that can be transferred at any time and the only sure way to avoid contracting it is to avoid sexual intercourse with someone who is infected