NewBorn Newborn 15 16 17 18 18-19 19 19-20 20 20-21 21 22 22-23 23 24 24-25 25 26 26-27 27 28 28-29 29 30 30-31 31 32 32-33 33 34 34-35 35 36 37 38 39 0-6 Month 3-6 Month 6-9 Month 9-12 Month 12-18 Month 18-24 Month