Motor Development of Triplets: A Japanese Prospective Cohort Study

• DOI: 10.1375/twin.14.2.185
• Publication Date: 2011-04-09T06:57:39Z
• Authors: Yoshie Yokoyama; Masako Sugimoto; Yu Miyake; Jun Sono; Kenge Mizukami; Jaakko Kaprio; Karri Silventoinen
• Keywords: Milestone; Singleton; Sitting; Gross motor skill

We analyzed whether motor development in early life is different between singletons and triplets Japan. The was reported by mothers postal questionnaire for 1,121 triplet children regular health check-ups 13,906 singleton children. Children who were suspected of having neurological abnormality or disability excluded from the analysis. ages milestone achievements significantly higher each outcome compared to singletons. Further, after adjustment gestational age, birthweight, birth length, differences significant maintaining head, sitting alone standing holding on. In with birthweight 2 kg more, singletons, except walking Moreover, confounding factors, independently. On contrary, attained facilitating crawling, on, independently slower than among those less age. conclusion, are overall at risk delay gross milestones as birth-related factors. contrast, a kg, showed adjusting There an obvious need apply developmental standards that consider least both multiple status (singleton, twin triplet) birthweight.