I have a 10mth23 days baby boy. at the birth time he was 3kg820gm but after 6 months when his waight was 7 kg, he suffered from loose motions badly for 1 month and now his waight is around 7.6 kg.the same situation held with my baby girl when she was 2and1/2 month's old.at the birth time her waight was 3kg and after 2&1/2 month's her physical helth and waight gain stoped till 12 months.when she was 1 year's old her waight was 5.2 kg and now she is suffering from nefrotic syndrome.Mam I don't want to repeat all this, that's why I am worried about my son.please suggest me how to improve his helth. THANK YOU