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SUNDAY, March 20 (HealthDay News) -- Firstborn children may be more likely to undergo from certain types of allergies, finds a newborn study.

Japanese researchers surveyed parents of more than 13,000 children older 7 to 15 and institute that a child's relationship visit did not seem to change the prevalence of asthma or eczema.

However, issue children were more probable to hit hay fever, pink eye due to allergy and matter allergy. In fact, the investigators institute that the prevalence of matter allergy was 4 proportionality in issue children, 3.5 percent in second-born children and 2.6 proportionality for children born later.

"It has been ingrained that individuals with increased relationship visit have a small risk of allergy. However, the significance of the effect may differ by hypersensitised diseases," first author of the study, Dr. Takashi Kusunoki, of the pediatrics department at Shiga Medical Center for Children and metropolis University, both in Japan, explained in a programme release from the dweller Academy of Allergy, Asthma & Immunology.

The study was regular for show Sun at the period gathering of the dweller Academy of Allergy, Asthma & Immunology, held in San Francisco.

Further research is needed to see more about how relationship visit affects allergy risk, Kusunoki and colleagues concluded.

Experts state that research presented at meetings has not been subjected to the aforementioned type of rigorous scrutiny given to research published in peer-reviewed scrutiny journals.

More information

The Nemours Foundation has more about allergies in children.

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