Analysis of the birth defects among 61 272 live born infants in Beijing.

Objective: To investigate the birth defect condition in Haidian district of Beijing city, 61,272 live-born infants who were delivered in Haidian Maternal and Child Health Hospital from 2003 to the March of 2009 are analyzed.

Methods: Data was collected from the hospital's medical records and from the birth defect surveillance.

Results: Among the newborns studied, 1 076 were found having birth defect (17.