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Health & Pregnancy

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Mother's Asthma During Pregnancy May Raise Child's Health Risks

Large study of Danish women followed their children up to age 6

WebMD News from HealthDay

By Alan Mozes

HealthDay Reporter

MONDAY, Aug. 5 (HealthDay News) -- A large new study of Danish women has tied a mother's asthma during pregnancy to a higher risk for developing a wide range of childhood diseases among her offspring.

The finding does not broadly concern all mothers who have a history of asthma, but rather those who actually experience an asthma attack while pregnant.

The observation could lead to heightened scrutiny of asthma status during pregnancy, and increased efforts to better control the condition, the researchers suggested. It may also encourage more vigilant monitoring of children who are born to mothers whose pregnancy included asthma flare-ups.

"There were previous indications that maternal asthma during pregnancy is linked to fetal development and some selected diseases in the offspring," said study co-author Gunther Meinlschmidt. "However, we were surprised that maternal asthma during pregnancy appears to be related to such a broad range of different diseases in the offspring."

Diseases with increased risk included infection and parasitic illness, nervous and respiratory system complications, and diseases of the ear and skin.

"Potentially" increased risks for offspring -- which were not confirmed in a follow-up analysis -- included digestive diseases, endocrine and metabolic disorders, and malformations.

Meinlschmidt, with the division of clinical psychology and epidemiology in the department of psychology at the University of Basel, in Switzerland, and colleagues report their observations in the September issue of Pediatrics.

To explore the impact of asthma in the context of pregnancy, the authors crunched data collected by a nationwide Danish study concerning slightly fewer than 67,000 mothers who gave birth between 1996 and 2002.

About one-quarter were smokers, most were in generally good health, and most were middle class or relatively well off.

Overall, just over 6 percent of women had struggled with an asthmatic event during their pregnancy, a figure gleaned from maternal interviews conducted three times during and six months after the pregnancy.

In turn, all the children were tracked -- using statistics from the Danish National Hospital Register -- for the onset of a variety of medical problems up to an average age of 6.

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