 [ Symptoms ] my gf started to get her period last night and we had sex i came inside of her vagina could she be pregnant  i have heard you cannot get pregnant when you are on your period [ Disease ] hi it could be a sign of your hormones being out of whack this would do both of your problems or you are pregnant but just get to your doctor and have a blood test done that will tell you that your either pregnant on your hormones are out of whack hope this helps you good luck