I believe I missed my period but I'm not sexually active? The only thing remotely sexual I took part in was some dry humping the week after my last period. He had both shorts and underwear on and I had underwear on as well. He wasn't even grinding near my vagina but rather towards my rectum. He never even ejaculated. On April 28 I flew out of town and returned with a severe flu (I ended up sickening everyone around me) The flu lasted from Monday May 1 to Sunday May 7. I was supposed to start my period on the 4th. I think I'm beginning to show signs of PMS? Usually when I'm close to getting my period my skin starts to break out and my breasts are becoming slightly tender. I also tend to get these wet stains in my undergarments that are clear when I'm near my period as well. I just want to be sure that this is just a late period due to the overwhelming stress of the flu virus and omit pregnancy? Like I said, I'm not sexually active aside from the dry humping story I've just shared. Please help? Much appreciation.