My wife is in second month of pregnancy and she feels vomit 2-3 times in a day as now she is taking doxinate plus tab now vomit come once a day. She is taking multivitamins and folic acid tab also eating fruits in early morning as breakfast then in lunch she takes one chapati and in evening she takes one sweet lime and in dinner she takes one chapati. Her weight is going down as frist month of pregnancy she was at 54 kgs and now she is in 51kgs what to do to increase her weight. Is weight gets down in Pregnancy please let me know and how to increase weight.