 [ Symptoms ] can i be with my 2 month old grandson and a chemo patient friend if i get the shingles shot  i was told there may be a danger in being with a chemo patient after having the shingles shot along with concern with being around new borns is there reason to be concerned and if so how long after the shot can i be in contact with these people [ Disease ] hi first you need to get some plan b and take it there is 72 window to take it ok ok just in case you do not know how your cycle works it s like this day 1 first day of your period day 14 is ovulation day give or take a day day 21 is implantation day then on to your next period ok male sperm takes 3 days to reach your womb and depending where you read it can live from 5 7 or 10 days so if this unprotected sex was say day 8 then yes you could get pregnant if you do not take plan b or something like it does this help you good luck