Publications by authors named "J Hadnagy"

Stopping work before retirement age.

Int J Occup Med Environ Health

June 2002

A large proportion of Swedish men and women would consider winding down and stopping work before retirement age, according to a report from the Swedish National Institute for Working Life.

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In a prospective epidemiological study data of 24,732 pregnancies were analysed by computer programmes for the incidence of congenital heart disease (CHD) and its relationship to various factors affecting pregnancy (age and weight of mother, smoking, alcohol-, and coffee-consumption, usage of oral contraception). Frequency of CHD was 0.9%.

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Several studies have suggested that maternal use of oral contraceptives before and early pregnancy may be associated with various congenital malformations. It had been found according to the computer-analysis of epidemiologic data of 17,031 single pregnancies--the use of oral contraceptives taken prior to conception or during early pregnancy has not been proved to increase the frequencies of the malformation of the offspring. On the other hand it was found, that oral contraception used before and in the early pregnancy increases the chance that infants delivered subsequently will be female.

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