Yes, 52 to 72 mm: a girl's uterus increases in length from average 25 mm at age 7 ( prepuberty) to average 62 mm at 13 to 70mm in length by age 17 ( full maturity) . Girls experience puberty at different ages, and these values are averages, assuming that most girls start their period by age 12.5-13.
Answered 6/20/2014
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