 [ Symptoms ] can you get pregnant if you had unprotected sex the week you were supposed to renew your second dose of the depo shot me and my husband had unprotected sex when i was supposed to renew my depo shot between may 11 2016 through may 25 2016 could i be pregnant ive had brown discharge light bleeing it has been on and off and mild cramps [ Disease ] hi yes you do need some kind of bc but have you been through the menopause yet i would get an blood test done this would tell from your hormones reason have had this procedure you may have gone through the menopause without knowing it if that is the case you would not need bc but after having this procedure cant see how periods would start up the again read this link <link> its down the bottom of this that may help you so get checked out first all for your own good good luck