| Congenital Malformation (Birth Defects) | 20 |
|---|---|
| Short Gestation and Low Birthweight | 17 |
| Sudden Infant Death Syndrome (SIDS) | 8 |
| Maternal Complications of Pregnancy | 6 |
| Unintentional Injuries | 4 |
| Cord and Placental Complications | 4 |
| Respiratory Distress Syndrome (RDS) | 3 |
| Intrauterine Hypoxia and Birth Asphyxia | 1 |
| Pneumonia and Influenza | 1 |
| All Other Causes | 36 |
Sources:
hrsa.gov

In 2007, the leading cause of infant death was birth defects, followed by a short gestation period and low birthweight. Cause of death from intrauterine hypoxia and birth asphyxia decreased from 13% in 1970 to 1% in 2007, owing to advancements in medical technology.