I'm 17 weeks and haveing a lot of touble gaining wait and I can out eat my bf and his stepdad and there both ex military and I've always had trouble gaining wait but never this bad, any advice on what to try to gain wait, I'm already seeing a nutritionist through wic, and 2nd my pulse is racing tonight faster than normal, I don't know why but my whole body is shaking.cause of it, I know my mother suffers from low blood pressure but noone I know in my family has high, please give some nice advice, thank u