What are hypothyroid symptoms in toddlers of age 2 years. My baby is over weight and is told to do thyroid profile and Bsl by our pediatrician. My baby is 20 kg and age is 2 years. So please tel what are chances dat my baby must be having des problems. I was diagnosed with sub clinical hypothyroidism during pregnancy and was also having gestational diabetes (well controlled). please suggest some help for my child so dat he will not gain more weight Thank you.