Edit ModuleShow Tags

Average Full-term Birth Weights Falling in U.S.; Scientists Unsure Why


Healthy full-term babies born in the United States today weigh an average of three ounces less than those born at term (39 to 42 weeks gestation) 20 years ago, researchers from Harvard Medical School have found.

However, the scientists say they do not have a full explanation for the lighter babes – increased Cesarean sections and pregnancy complications are apparently not the cause.

The report by Harvard researchers, published in the February issue of Obstetrics & Gynecologyalso found that that the length of gestation has shortened by about 2.5 days even in term births over the last two decades.

The lower average full term birth weight is explained at least in part by the earlier births, study authors say. The study team collected data on almost 37 million U.S. singleton full-term deliveries between 1990 and 2005 for their analysis.

Read full article

Get Seattle's Child iOS App

Looking to switch up your weekend plans? Try our app and customize to fit your family. 
Apple logo


Edit ModuleShow Tags

Related Content

Connecting with your tween: Tips from a pediatrician and mom

How to survive the eye rolls and door slams? Watch, listen and try to understand.

When is it Legal to Leave Kids at Home Alone?

What children can do without supervision is a legal gray area.

Gig Harbor dad/therapist designs sensory gyms for people's homes

Alex Lopiccolo's sensory gyms come in all shapes and sizes and help kids who benefit from therapeutic movement. Plus, they're fun!
Edit ModuleShow Tags
Edit Module

Family Events Calendar

Subscribe to our weekly newsletters

* indicates required
Send Me:
Edit ModuleShow Tags
Edit ModuleShow Tags
Edit ModuleEdit ModuleShow Tags Edit ModuleShow Tags
Edit ModuleShow Tags
Edit ModuleShow Tags