Newborn 0-3 Month 0-6 Month 3 Month 3-6 Month 6 Month 6-9 Month 6-12 Month 9 Month 9-12 Month 12 Month 12-18 Month 18 Month 18-24 Month 24 Month 24-36 Month 1Y 2Y 3Y 4Y 5Y 6Y 1 Year 1-2 Year 2 Year 2-3 Year 2-4 Year 2.5 Year 3 Year 3-4 Year 4 Year 4-5 Year 4-6 Year 5 Year 5-6 Year 6 Year 6-7 Year 6-12 Year 7 Year 7-8 Year 8 Year 8-9 Year 8-10 Year 9 Year 9-10 Year 10 Year 10-11 Year 11-12 Year 11-13 Year 12-13 Year 13-14 Year 14-15 Year L (9-12 Year) M ( 5-9 Year) NB S (3-5 Year)