Seasonal Changes in the Frequency of Fetal Damages and Fertility

Czeizel, E; Elek, E

doi:10.1159/000302750

Cited by 12 publications

(9 citation statements)

References 3 publications

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“…A similar result had already been reported by Czeizel & Elek (1967). Both these studies used very large samples.…”

Section: Commentsupporting

confidence: 89%

Seasonal variation in human births

James

1990

J. Biosoc. Sci.

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During the first half of this century, the seasonal pattern of births in European countries showed a major peak in the spring and a minor peak in the autumn. In contrast, the pattern in the US was of a minor peak in spring and a major peak in autumn. Over the last 20 years, the pattern in England and Wales has changed to resemble the US pattern, and the same seems to be true of several other European countries. A hypothesis is offered to account for the difference between the European and the US patterns and for the change from one to the other in some countries.The magnitude of seasonality correlates positively with latitude: it is suggested that this is partially consequent on variation in luminosity.

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“…A similar result had already been reported by Czeizel & Elek (1967). Both these studies used very large samples.…”

Section: Commentsupporting

confidence: 89%

Seasonal variation in human births

James

1990

J. Biosoc. Sci.

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“…Seasonal variation in spontaneous abortion and stillbirth, often due to congenital malformation, also has been studied (Kovar and Taylor 1960;Hewitt 1962;Czeizel and Elek 1967;Slatis and DeCloux 1967;San-dalI1974); however, the findings are incon-sistent. Some have reported a lack of seasonal differences, whereas others have detected them.…”

Section: Circannual Rhythms and Human Birthmentioning

confidence: 99%

Biological Rhythms and Medicine

Reinberg¹,

Smolensky²

1983

Topics in Environmental Physiology and Medicine

151

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“…Seasonal variation in spontaneous abortion and stillbirth, often due to congenital malformation, also has been studied (Kovar and Taylor 1960;Hewitt 1962;Czeizel and Elek 1967;Slatis and DeCloux 1967;SandalI1974); however, the findings are incon-sistent. Some have reported a lack of seasonal differences, whereas others have detected them.…”

Section: Circannual Rhythms and Human Birthmentioning

confidence: 99%

Aspects of Human Chronopathology

Smolensky¹

1983

Topics in Environmental Physiology and Medicine

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Often in an individual or a group of patients the manifestation of disease or the exacerbation of symptoms is predictable, exhibiting time dependencies (chronopathologies) over 24-hr, 1-month, and 1-year periods. Chronopathology may involve also alterations in the temporal structure of biological functions quantifiable by differences in the period, acrophase, mesor, and/or amplitude, preceding, following, or coincident with a change in health status. While the major emphasis of most investigations has been the substantiation of periodicities in the occurrence of symptoms or morbid events, the study of changes in the body's temporal structure associated with the commencement of illness has yet to be vigorously pursued.

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Seasonal Changes in the Frequency of Fetal Damages and Fertility

Cited by 12 publications

References 3 publications

Seasonal variation in human births

Seasonal variation in human births

Biological Rhythms and Medicine

Aspects of Human Chronopathology

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