Hi all, I'm 33+4 and throughout this trimester I've been having dizzy spells that last anywhere from thirty seconds to ten minutes. When I mentioned it to my doctor (probably around 25 weeks or so?) he told me it was probably low blood sugar and just to relax and eat something when I start feeling dizzy-- says it isn't harmful to me and just to take steps to prevent falling. But I get dizzy sometimes less than thirty minutes after eating, so how could it be low blood sugar?