On my two last appointments my ob-gyn told me I had low blood pressure without any further explanations. I'm currently 17 Weeks and have been exercising 3 times a week from day 1. Pre-pregnancy weight was healthy, put on 9 lb so far. Not sure what to think. I mean why tell me if its not important? My first blood analysis was tremendously long and painful because if the low pressure but everything came back fine. Can having LBP actually be an issue?