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Breast-feeding rates and related maternal and infants' obstetric factors in Japanese twins.
MedLine Citation:
PMID:  19568905     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: The aims of the present study are to describe the secular trend of breast-feeding rates in Japanese twins in comparison with the general population, and then to clarify the maternal and infants' obstetric factors associated with breast-feeding in twins. METHODS: Breast-feeding rates from 0 to 6 full months and related maternal and infant obstetric factors were analyzed using 4,023 Japanese twins, consisting of two different volunteer-based twin samples, age 1-15 years, whose birth year ranged from 1968 to 2003. Data were collected through mailed or hand-delivered questionnaires. Obstetric factors that affect full and partial breast-feeding of twins were confirmed using logistic analyses according to birth order in twin pairs, adjusted by birth year. RESULTS: The full breast-feeding rates of twins were lower than those of the general population. On the other hand, the combined rates of full and partial breast-feeding were close to those of general population, except for the period 1968-1974. The percentage of concordance pares was around 95% for all months. The most influential factor that negatively correlated with breast-feeding from 0 to 6 months was gestational weeks. Higher maternal age at twin birth and the use of an incubator also prevented breast-feeding in the neonatal period. CONCLUSIONS: The results of the present study for the first time indicated that full breast-feeding of twins has risen recently in Japan, although the rates are still lower than those of the general population. The importance of the gestational weeks for breast-feeding rates was also shown.
Authors:
Syuichi Ooki
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Publication Detail:
Type:  Journal Article     Date:  2008-04-22
Journal Detail:
Title:  Environmental health and preventive medicine     Volume:  13     ISSN:  1342-078X     ISO Abbreviation:  Environ Health Prev Med     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2009-07-01     Completed Date:  2010-06-21     Revised Date:  2010-09-27    
Medline Journal Info:
Nlm Unique ID:  9609642     Medline TA:  Environ Health Prev Med     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  187-97     Citation Subset:  -    
Affiliation:
Department of Health Science, Ishikawa Prefectural Nursing University, 7-1 Tsu, Nakanuma, Kahoku, Ishikawa, Japan. sooki@ishikawa-nu.ac.jp
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