Seasonal variation in human fecundability

Seasonality of effective fecundability was investigated in a cohort of 402 women born in or near Rotterdam, The Netherlands, between 1873 and 1887, and married before the age of 40 years. Applying a newly developed method allowing simultaneous control for inherent couple fecundability, numbers at ri...

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Bibliographic Details
Published in:Human reproduction (Oxford) 1998-12, Vol.13 (12), p.3520-3524
Main Authors: Smits, L J, Zielhuis, G A, Jongbloet, P H, Straatman, H
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Female
Fertility - physiology
Fundamental and applied biological sciences. Psychology
Humans
Male
Mammalian reproduction. General aspects
Models, Statistical
Periodicity
Pregnancy
Vertebrates: reproduction
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Summary:Seasonality of effective fecundability was investigated in a cohort of 402 women born in or near Rotterdam, The Netherlands, between 1873 and 1887, and married before the age of 40 years. Applying a newly developed method allowing simultaneous control for inherent couple fecundability, numbers at risk of pregnancy, and multiple confounders, we found a trend towards higher fecundability during the first half of June and the first half of December (P = 0.06). Seasonality of effective fecundability appeared to be strongest for women who married at
ISSN:0268-1161
1460-2350
DOI:10.1093/humrep/13.12.3520