Is precum a myth. Myth 2: OKAY Sex. Pre-cum comes out right before semen, which has live sperm that can lead to pregnancy. A more recent study had 27 healthy guyssome of whom gave multiple samples of pre-cum. What to Expect. No studies have examined whether withdrawal reduces female-to-male transmission of HIV. It is possible for a female to get pregnant at any time during her menstrual cycle. And they probably failed. Again, this is bad advice and just not true. You can become pregnant any time after you begin to ovulate and until you reach menopause. Donate Now. Are condoms an effective form of birth control? This must have taken some imagination.