average weight one month old girl
16 - 17 years 67 - 70 inches 130 - 150 lbs 18 - 20 years 68 - 70 inches 150 - 160 lbs Average Height and Weight for Girls Age Average Height Average Weight New born 7.16 lbs. 1 Month 9.15 Lbs. 2 Months 10.91 Lbs. 3 Months 12.56 Lbs. 4 Months 14 Lbs. 5 Months 15.43 Lbs. 6 Months 16.53 Lbs.