gaining weight

i gain 2kg in 1month on my 22week and max 6kg in 1 month on my 25 week. i did 2 blood sugar test for both times. both came out negative for diabetes. they will do the test for u too. i suggest u stop drinking maternal milk and start drinking fresh milk. i drink frisomum before and they say its one of the cause. also try exercise 30mins a day. like walking 30mins.i manage to maintain my weight by walking 30mins a day for 4days a week.