Words similar to menarche
Example sentences for: menarche
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BMI in girls also increases with stage of sexual maturation, but relative fatness is variable, especially in girls who just attaining menarche (stage III).
Girls who experience a relatively early sexual maturation, typically assessed by age at menarche, tend to be more obese as adults [ 1 2 3 4 5 6 7 8 9 10 ] . For example, Garn et al [ 1 ] found that women (ages 20 to 35 y) who reported menarche before age 11 y were 2 to 3 kg/m 2heavier than those who underwent menarche after 14 y.
Although several investigators have also found that an early menarche is associated with shorter adult stature [ 2 5 9 10 13 ] , possibly because of the loss of several years of growth due to the early fusion of the epiphyses of long bones [ 5 ] , most of the reported differences in adult height have been small (e.g.
To evaluate the role of CYP17 on breast cancer risk through mediating mechanisms, we first assessed differences in age at menarche, age at first full-term pregnancy, difficulty in becoming pregnant, and use of hormone replacement therapy and oral contraceptives among controls according to the CYP17 genotype.
Because two studies have noted higher estrogen levels among women with A2 alleles [ 4 23 ] , it is possible that women with these genotypes have more lifetime exposure to circulating steroid hormones that is not abrogated by later age at menarche or by earlier age at first full-term pregnancy.