Both physiological and environmental factors influence the process of puberty as during puberty there is a hormonal change in the body. The luteinizing hormone (LH) stimulates puberty causing the estrogen to be released in females and testosterone in males. LH interacts with estrogen, testosterone, and follicle stimulating hormone (FSH) to cause breast and p enis development, pubic hair and auxiliary hair growth, and voice change. Adrenal androgens also play a role. Progesterone is only involved in female development. Among the environmental factors concerning factors involved include the endocrine disruptors and body weight most. For example, although higher phthalate levels have been found in girls diagnosed with central precocious puberty (CPP) compared to age-matched controls without CPP.
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