近年來在美國的調查發現，女生的初經有提前的趨勢；不管是男生或是女生，青春期的發育也比較早出現!!
參考資料
1: Euling SY, Herman-Giddens ME, Lee PA, et al. Examination of US puberty-timing data from 1940 to 1994 for secular trends: panel findings. Pediatrics. 2008;121 Suppl 3:S172-91.
2: Herman-Giddens ME. The decline in the age of menarche in the United States: should we be concerned? J Adolesc Health. 2007;40:201-3.
3: Herman-Giddens ME. Recent data on pubertal milestones in United States children: the secular trend toward earlier development. Int J Androl. 2006;29:241-6; discussion 286-90.
4: Herman-Giddens ME, Kaplowitz PB, et al. Navigating the recent articles on girls' puberty in Pediatrics: what do we know and where do we go from here? Pediatrics. 2004;113:911-7.
沒有留言:
張貼留言