My 5 month old baby weight has plateau for 1 months. She was 3.75kg at birth and she has been 6.5kgs since she turned 4 months. She on exclusive pumped breast milk. She has been drinking only 500ml milk since few weeks and does not drink more milk in any way. Her stool test and usg abdomen is normal. Pls suggest what to do. As per pediatrician she should have doubled her birth weight by now.