Monday 20 November 2017

Overdue babies more likely to have ADHD - research


Rebecca Smith

BABIES who are born overdue are twice as likely to suffer from ADHD, a study has found.

A study of 5,000 babies born in Rotterdam between 2002 and 2006 found those who were born at 42 weeks gestation or more were at higher risk of significant behaviour problems and were twice as likely to have ADHD at age three.

In 2009 there were more than 28,000 babies born at 42 weeks gestation or more in England and Wales.

It is not clear if the behaviour problems were caused by being overdue or both factors were influenced by something else.

Lead author Hanan El Marroun, said: "Post-term children have a considerably higher risk of clinically relevant problem behaviour and are more than twice as likely as term born children to have clinical ADHD.

"Further research is needed in order to determine the causes of post-term birth and to minimise the long-term consequences. It is also important that further research is carried out in order to demonstrate a causal relation between post-term birth and behavioural problems and longer follow ups would also be advantageous.”

The findings were published in the International Journal of Epidemiology could not be explained family income, alcohol consumption and smoking however the authors said not all factors related to the mother's health could be excluded.

In Britain women are generally advised to have labour induced at 42 weeks because it is known that the placenta begins to fail which increases the risk of stillbirth the further post-term the pregnancy goes.

The researchers suggested placental problems may be one of the reasons for the behaviour problems.

Press Association

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