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Mothers got wrong advice for 40 years
Sarah-Kate Templeton, Medical Correspondent



BREAST-FEEDING mothers have been given potentially harmful advice on infant nutrition for the past 40 years, the World Health Organisation (WHO) has admitted.

Charts used in Britain for decades to advise mothers on a baby’s optimum size have been based on the growth rates of infants fed on formula milk.

The organisation now says the advice given to millions of breast-feeding mothers was distorted because babies fed on formula milk put on weight far faster.

These breast-feeding mothers were wrongly told that their babies were underweight and were advised, or felt pressured, to fatten them up by giving them formula milk or extra solids.

Health experts believe the growth charts may have contributed to childhood obesity and associated problems such as diabetes and heart disease in later life. A government study has found that more than a quarter of children in English secondary schools are clinically obese, almost double the proportion a decade ago.

This week, the WHO will publish new growth standards based on a study of more than 8,000 breast-fed babies from six countries around the world. They will say the optimum size is that of a breast-fed baby.

The move will put pressure on British doctors to replace charts which, for the last four decades, have taken into account the growth patterns of bottle-fed babies.

Professor Tim Cole, of the Institute of Child Health at University College London, said: β€œWe should change to a growth chart based on breast-fed babies. During their first year they do not put on as much weight as those fed on formula milk. Breast-fed babies are less likely to be fat later in life and to develop complications such as diabetes and heart disease.”

Six years ago, Cole developed an alternative chart based on breast-fed babies but it has never been endorsed by the British medical establishment. The Child Growth Foundation, a UK charity, campaigns for the adoption of Cole’s chart.

The foundation claims breast-fed babies are, on average, at 22lb at 12 months, about 1lb lighter than those fed solely on formula milk. It is thought that breast-fed babies grow more slowly in the first year because they control the rate at which they feed, rather than being tied to their parents’ notion of meal times.

Mercedes de Onis, who co-ordinates WHO child growth standards, said: β€œBreast-fed babies appear to self-regulate their energy intake to lower
levels. Breast-fed babies have different metabolic rates and different sleeping patterns. Formula-fed babies seem to have higher intakes of energy and, as a result, are heavier.”

The American Academy of Pediatrics has warned that being overweight as a baby is a key early risk factor for heart disease and diabetes.

The babies who were the models for the new WHO standards were selected for good health. They were all breast-fed, their mothers did not smoke and they received good health care.

The WHO says babies should be fed solely on breast milk for up to six months. In Britain, fewer than 10% of babies are getting only breast milk by this age.

The Royal College of Paediatrics and Child Health is to meet this summer to discuss the new WHO standards.

The Department of Health said: β€œOnce WHO publishes the new growth charts we will assess the need for revisions to the UK growth charts.”