This may sound like a stupid question, but after much googling around short menstrual cycles I'm still confused.
My cycles tend to be around 25/26 days. OH and I had unprotected sex on Sunday the 6th October (slightly tipsy and didn't use condoms, I've been off the pill for 3 months) first day of last period was the 28th September. I've got sore and swollen boobs and slight cramping which were the first symptoms I had when pregnant with ds. I don't usually get sore boobs with PMS symptoms. It's too early to test yet, but stressing as I'm on venlafaxine anti depressants which aren't recommended for pregnancy. We aren't trying to get pregnant, however would be a happy surprise... I think 