Uber smurfed up comment imo. She's fine, she's adorable!
According to the 2000 Centers for Disease Control and Prevention growth charts, 17-month-old girls have an average height of 31.5 inches, with the 10th percentile around 29.7 inches. The 90th percentile is around 32.8 inches. Their average weight is slightly under 24 pounds, with the 10th and 90th percentiles at 21 and 27 pounds, respectively.