 [ Symptoms ] i am 20 weeks pregnant and i think i have a severe kidney infection [ Disease ] hi scared so you were 21 days through your cycle what is called the safe side unprotected sex before day 14 is not good so please remember that bit and also remember it takes male sperm 3 days to reach the womb but please stop taken these worrying ways of trying not to get pregnant without any bc time to make a change in your sex life sex can be fun but do it safely good luck