what age do women stop growing
1 This final stage usually occurs at just over 14 years of age. 2  Girls will stop growing about 1-2 years after menstruation begins, reaching their full adult height by age 14-15.3  Breasts and genitals are fully developed at the end of this stage.nce their period starts, girls typically gain another 1 to 2 inches in height, reaching their full adult height by age 14 or 15. However there is a very broad range of time in which girls hit puberty-related growth spurts.