Man\'s genes \'key to baby\'s sex\'
A man's genetic make-up may play a role in whether he has sons or daughters, a study of hundreds of years of family trees suggests.
Unicef child study disputed by UK
The UK government has complained about a study saying early years childcare and education in England is falling behind that of other developed nations.
Pop tunes used to calm babies
Rocking a baby to sleep has been given a whole new meaning as mothers ditch traditional lullabies for popular pop and rock tunes.
Caesarean increases asthma risk
Babies born by Caesarean section are more prone to developing asthma, say Dutch researchers.
Left-handers\\\' lower test scores
Left-handed pupils do less well in tests than their right-handed peers, a study from Bristol University suggests.
Obesity \'programmed before birth\'
Eating a high-fat diet in pregnancy may cause changes in the foetal brain that lead to over-eating and obesity early in life, research suggests.

Big babies risk breast cancer

Baby girls who are of larger than average length and weight at birth grow up being at increased risk of breast cancer, analysis suggests.

The analysis of 32 studies involving more than 600,000 women provides the strongest evidence yet of such a link.

The London School of Hygiene and Tropical Medicine team says birth size might explain 5% of all breast cancers.

It could point to some link between cancer and the environment of the baby before birth, PLoS Medicine reports.