03/28/2008 02:45 am ET | Updated Nov 17, 2011

Why Older Siblings Stunt Growth

Having an older sibling, particularly a brother, can stunt growth, work suggests.

Experts said the condition of the womb after the first pregnancy may be a factor.

The study of 14,000 families was presented at the BA Festival of Science.

The research, by David Lawson, of University College London, also showed children in larger families were likely to be shorter than average.

Read more on BBC News