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   Feb 19

Miscarriage risk ‘reduced by lifestyle changes’

The lifestyles of 91,427 pregnant women in Denmark were analysed for the study

More than a quarter of first-time miscarriages could be prevented by making a combination of lifestyle changes, research in Denmark suggests.

Researchers said lifting more than 20kg (44lbs) each day during pregnancy and being obese or underweight increased the risk of miscarriage.

Women beyond their early 30s, who drank alcohol and worked night shifts during pregnancy were also more likely to miscarry, they said.

The study analysed 91,427 women.

In the UK, more than one in seven pregnancies ends in miscarriage.

‘Subject for prevention’

Researchers at the University of Copenhagen, which carried out the work, said only by reducing all of the risk factors could they be prevented.

The paper was published in the International Journal of Obstetrics and Gynaecology.

Anne-Marie Nybo Andersen, senior researcher at the University of Copenhagen, said: “The main message from the paper is that miscarriages are a subject for prevention.”

Ms Nybo Andersen said the paper was significant as it showed the relative importance of different lifestyle factors in causing miscarriage, rather than more specific factors, such as certain pharmaceutical drugs.

As the findings were from the health perspective of a population, they could apply to lots of people – from individual couples to people in charge of maternity policies, work place regulations and supporting students who get pregnant, she said.

She added: “Everybody, young men and women, as well as those who have political responsibilities should bear in mind that postponing pregnancy to the mid-30s implies a seriously increased risk of miscarriage.”

Healthy-pregnancy advice

Pregnancies included in the Danish National Birth Cohort between 1996 and 2002 were analysed for the study. Researchers found 3.5% of the women miscarried.

They looked for links between the miscarriages and lifestyle by collecting data through computer-assisted telephone interviews.

Caroline Overton, spokesperson at the Royal College of Obstetricians and Gynaecologists, said: “This is a very interesting study in terms of the very large population size.”

She said it confirmed much of the advice currently given out in the UK to promote healthy pregnancy, such as not drinking, but questioned how applicable the study would be to British women.

On the subject of the findings, Ms Overton added: “Twenty kilograms is the size of a large holiday suitcase. Most of us would only lift that very occasionally.”

Women wanting to conceive should also eat a balanced diet, make sure they are not “too skinny”, or overweight, cut out smoking and ask their partners to follow suit, she said.

Source: BBC

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