Weight Growth Charts from Birth to 6 Years of Age in Japanese Triplets

• DOI: 10.1375/twin.11.6.641
• Publication Date: 2008-11-18T17:25:34Z
• Authors: Yoshie Yokoyama; Masako Sugimoto; Karri Silventoinen; Jaakko Kaprio
• Keywords: Parity (physics); Birth records

We analyzed the characteristics of weight growth and present charts from birth to 6 years age in Japanese triplets. The study included 366 mothers their 1098 triplet children, who were born between 1978 2006. Data collected through a mailed questionnaire sent asking for information recorded medical records. For these births, data on triplets' growth, gestational age, sex, parity, maternal at delivery obtained records Maternal Child Health Handbooks, which is provided by authorities after report pregnancy. Birthweight proved be strongest contribution triplets 1 age. In addition, was also significant contributing factor Moreover, males had higher than females. Compared 50th percentile standard general population Japan, deficit more 40% (male, -1.28 kg; female, kg), decreased within first year fluctuated 4% 9% until -1.82 -1.78 kg). conclusion, have lower singletons spite rapid catch-up during life they are behind even mid-childhood. This provides curves use