23 Apr 2008
A woman's diet prior to conception could influence the sex of her baby, it has been suggested.
According to research by the Universities of Exeter and Oxford, eating a high calorie diet and regular breakfasts when trying for a child could increase the chances of having a boy.
The study involved 740 first-time mothers in the UK who did not know the sex of their foetus, who provided researchers with records of their eating habits before - and in the early stages - of their pregnancies.
The women were then split up into three groups according to the number of calories they consumed per day around the time they conceived.
Findings showed that 56 per cent of expectant mothers in the group with the highest energy intake at the point of conception gave birth to sons, compared to 45 per cent of women in the lowest calorie-intake group.
Women who gave birth to boys were also found to have a higher range and quantity of nutrients including potassium, calcium and vitamins C, E and B12.
Furthermore, boy-bearing women were also found to eat breakfast cereals more regularly than mothers who gave birth to daughters.
Scientists believe that the current trend for consuming low-calorie diets could explain why the number of boy babies being born in developed countries is falling.
Previous research has shown a reduction in the average energy intake in the developed world as well as falling rates of people eating breakfast.
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