Expectant mothers' diet related to baby heart risk

Researchers believe that women who eat healthily before and during pregnancy may cut the risk of their baby developing a heart problem.

In the study, half of the women had babies with heart problems while the other half did not.

When the researchers compared the diets of these two groups they found a healthier maternal diet was associated with a lower chance of congenital heart defects.

Pregnant women in the top 25% of diet quality, had a lower risk of having a baby with certain heart defects - atrial septal defects and Tetralogy of Fallot - than those in the bottom 25%, even after accounting for other factors such as whether the mother took folic acid or was a smoker.

Congenital heart disease is one of the most common types of birth defect, affecting up to nine in every 1,000 babies born in the UK.

Mild defects, such as holes in the heart, often don't need to be treated, as they may improve on their own and may not cause any further problems. But others can be more serious and some, lethal.

In most cases, something has gone wrong in the early development of the foetus. Some heart conditions are due to faulty genes or chromosomes. But often it is unclear why the baby's heart has not developed normally.

This is an interesting study which highlights the importance of diet right from the start of life.

A healthy diet before, during and after pregnancy can have benefits for both mother and child and, as seen here, the whole diet should be taken into consideration, rather than solely focusing on individual nutrients. Eating well isn't a guaranteed way to avoid congenital heart defects, but this will be another factor that will motivate women planning a pregnancy to make healthy choices.

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