Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/95377
Type: Artigo de periódico
Title: Investigation On Seasonality Of Twin Births In Brazil
Author: Krieger H
Colletto G.M.D.
Franchi-Pinto C.
Beiguelman B.
Abstract: The hypothesis of seasonality of twin births was investigated in two important maternity hospitals in the State of Sao Paulo, Brazil. The study included 1386 twin births that occurred among 154,699 deliveries from 1984 to 1993. No evidence of seasonality has been detected either for the twin birth rate considered as a whole or for dizygotic twinning rate. The distributions of these rates fitted well sinusoidal regression curves but the cyclic trend did not correspond to any specific season.
Editor: 
Rights: fechado
Identifier DOI: 
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0030433535&partnerID=40&md5=c5f42709516d7535956221be1c562a2e
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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