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 18-24 Month 24-36 Month 1 Year 1-2 Year 2 Year 2-3 Year 2.5 Year 3 Year 3-4 Year 4 Year 4-5 Year 5 Year 5-6 Year 6 Year 6-7 Year 7-8 Year 8-9 Year 8-10 Year 9-10 Year 10-11 Year 12-13 Year 14-15 Year 3 Yeat NB