Live Births by Birth Weight in State of Pennsylvania
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total Live Births | 143,404 | 142,380 | 145,485 | 144,194 | 145,033 | 148,706 | 150,322 |
| % of total* | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Births 0 to 1,499 grams1 | 2,190 | 2,315 | 2,312 | 2,282 | 2,272 | 2,394 | 2,390 |
| % of total* | 1.5% | 1.6% | 1.6% | 1.6% | 1.6% | 1.6% | 1.6% |
| Births 1,500 to 2,499 grams2 | 9,170 | 9,352 | 9,425 | 9,424 | 9,773 | 10,085 | 10,106 |
| % of total* | 6.4% | 6.6% | 6.5% | 6.5% | 6.7% | 6.8% | 6.7% |
| Births 2,500 to 3,499 grams | 75,427 | 75,574 | 77,430 | 77,546 | 78,532 | 81,056 | 82,129 |
| % of total* | 52.6% | 53.1% | 53.2% | 53.8% | 54.1% | 54.5% | 54.6% |
| Births 3,500 to 4,499 grams | 54,138 | 52,892 | 53,570 | 52,221 | 51,727 | 52,005 | 52,233 |
| % of total* | 37.8% | 37.1% | 36.8% | 36.2% | 35.7% | 35.0% | 34.7% |
| Births 4,500 grams and over | 2,210 | 2,116 | 2,130 | 2,002 | 1,974 | 1,793 | 1,825 |
| % of total* | 1.5% | 1.5% | 1.5% | 1.4% | 1.4% | 1.2% | 1.2% |
| Unknown birth weight | 269 | 131 | 618 | 719 | 755 | 1,373 | 1,639 |
| % of total* | 0.2% | 0.1% | 0.4% | 0.5% | 0.5% | 0.9% | 1.1% |
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1 Very low birth weight is defined as 1,499 grams and less 2 Low birth weight is defined as 2,499 grams and less * Percents may not add to 100% due to rounding Data source: Adapted from the Pennsylvania Department of Health, Division of Health Statistics and Research, Annual Vital Statistics Series. Available on-line at http://www.portal.state.pa.us/portal/server.pt?open=514&objID=590070&mode=2 | |||||||