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Follow-up data from the Fels Longitudinal Study show that girls who start menstruating at age 10 grow, on average, 10 cm (4 inches), while those in whom menarche is delayed until age 15 grow, on average, 5 cm (2 inches).

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謝謝,讓您費心了。 -秦河- 給 秦河 發送悄悄話 秦河 的博客首頁 (0 bytes) () 07/24/2024 postreply 11:14:34

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