Figure 3From: A nearly continuous measure of birth weight for gestational age using a United States national referenceSelect reference percentiles for birth weight at each gestational age from 22 to 44 completed weeks for firstborn and non-firstborn singleton infants: 10th, 50th, and 90th percentiles. Data from 2,755,841 firstborn and 3,917,426 non-firstborn infants in the 1999–2000 US Natality datasets.Back to article page