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Babies Born in Autumn Have Higher Allergy Risk

Oct 20, 2010
What is the best season to conceive a baby? Researchers say that early spring as a time of conception can increase the baby's risk of developing food allergy.

The study that involved 6,000 children born between 2001 and March 2006 in Finland. The findings showed that 11 percent of children that reached 11 week of fetal development between April or May, had higher chances of having food allergy.

Scientists believe that during this period the child is exposed to the higher levels of tree pollen, while his antibodies are not fully developed. During the study the levels of birch and alder pollen was checked and it was the highest during April and May.

Also the decreased levels of vitamin D in mothers during winter can contribute to weaker immune system for these babies.

Babies conceived at the end of winter and in the beginning of spring had three times higher risk of the most common allergies to milk and eggs, compared to those who had their 11 week of fetal development in December and January.

Every year more and more children are suffering from allergies. Specialists say that the increased rates of allergy are caused by diet, greater than before use of antibiotics and living in extra clean homes.

Among the children, who took part in the research, 18 percent were found to have food allergy, but the highest rates of food allergies was for children born in October and November.

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