I am 13 weeks pregnant. I mentioned my issue to my OBGYN they did not seem concerned but I didn t really go into detail. For a couple of weeks I have been getting dizzy almost every time I stand and also getting tunnel vision, very much like when I have fainted in the past (from getting blood drawn or my ears pierced). I have not passed out, however I have gotten off balance enough to either have to sit down or where my knees fail me. My fiancee has picked me up off of the floor at least 10 times from when I have had to sit down immediately and did not feel capable of getting up and walking back to the couch. Short errands that should only take me fifteen minutes can take me an hour or more because I have to continuously sit down or stop and take a break.