 [ Symptoms ] can samsca be used in patients who are pregnant or breastfeeding [ Disease ] hi for a start plan b could throw you out of your cycle and when your period restarts after this hiccup with sperm you should remember sperm dose explode into baby is bc is a good move for you it will take the stress away from playing games with boysmen did you read up about your bc pills should you have started then mid cycle most tend to start on the first day of your next period and go from there but unless sperm was massaged into your vagina cant see you being pregnant hope this helps good luck