Paula Hillard

Publication Details

  • Adolescent girls, the menstrual cycle, and bone health JOURNAL OF PEDIATRIC ENDOCRINOLOGY & METABOLISM Hillard, P. J., Nelson, L. M. 2003; 16: 673-681

    Abstract:

    In adolescent girls, amenorrhea is sometimes viewed as a variant of normal; in fact, however, during the first gynecologic year, the 95th percentile for cycle length is 90 days. Although early menstrual cycles are frequently anovulatory and may be somewhat irregular, girls with menses coming less frequently than every 90 days may have significant pathology associated with hypoestrogenism. Hypoestrogenism is a known risk factor for the development of osteoporosis. Causes of oligomenorrhea and amenorrhea include the relatively common conditions of hyperandrogenism, eating disorders, and exercise-induced amenorrhea, as well as uncommon conditions such as pituitary tumor, gonadal dysgenesis, and premature ovarian failure. Even functional hypothalamic oligomenorrhea has been linked to reduced bone density. Attention to menstrual irregularity and the earlier diagnosis of conditions causing it may lead to interventions that will benefit life-long bone health.

    View details for Web of Science ID 000183402100012

    View details for PubMedID 12795370

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