Researchers Can't Explain the Two-Ounce Decline in U.S., Worry the Trend Could Lead to Increase in Health Problems
January 22, 2010
WSJ.com | Shirley S. Wang
Mothers are giving birth to lighter babies in the U.S., and no one is quite sure why.
The finding, published Thursday in the Journal of Obstetrics and Gynecology, has potentially troubling public-health implications, if the trend continues. Low-birth-weight babies are at higher risk for a host of health problems.
Between 1990 and 2005, the birth weight of full-term babies in the U.S. declined nearly two ounces to an average of