I have had a problem picking the right size for my granddaughter, Maggie since she was 9 months old. Simplicity paterns come in infants, 1/2 thro 4, 2 thro 4, and 3 thro 8. The size 2 is not the same as the size 2 in the other groups. She is now 2 and a half and in a size 3 in store bought clothes. 35″ tall, 20″ in the chest. What do these size catagories mean. What is the difference in comparing them.
Lost and bewildered.