birth weight is 3.1 kg dropped to 2.9 kg in 2 days and regained to birth weight in 20 days. At 6 weeks, she is 4 kg At 10 weeks - 4.6 kg At 14 weeks - 4.9 kg from 14 weeks to till now, she weighs around 5.1 kg. now she is 18 weeks 3 days. Doesn't even gain 300gms as well. I'm worried about her weight gain. tried bottle feeding, but she is refusing it. Consulted Doctor suggested mct oil, but there is no difference in weight gain. Please help me get through it