Skeletal implications of reproductive aging

Ruth Freeman

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The skeleton's density (mineral content and strength) is due to genetics (∼60%), nutrition (∼20%), and sex hormones (20%). The last factor increases bone density at puberty, mostly due to estrogen production. During reproductive aging as the ovaries lose most of their follicles, estrogen production declines. Bone collagen and mineral content decreases as the total cyclic estrogen production declines until the postmenopausal phase of life, at which point the 20% gained at puberty has been lost. This process starts before menses have changed, when fertility starts to be reduced. The most rapid loss of bone density occurs after actual menopause. Thereafter the rate of bone substance loss slows to the same rate as seen in aging men and is likely related to aging itself. In conclusion, decline in estrogen production is a major cause of bone mineral decrease.

Original languageEnglish (US)
Pages (from-to)422-425
Number of pages4
JournalSeminars in Reproductive Medicine
Volume28
Issue number5
DOIs
StatePublished - 2010

Fingerprint

Estrogens
Bone Density
Puberty
Minerals
Bone and Bones
Menstruation
Gonadal Steroid Hormones
Menopause
Skeleton
Fertility
Ovary
Collagen

Keywords

  • Bone density
  • menopause
  • menopause transition
  • skeletal aging

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Physiology (medical)
  • Obstetrics and Gynecology
  • Reproductive Medicine

Cite this

Skeletal implications of reproductive aging. / Freeman, Ruth.

In: Seminars in Reproductive Medicine, Vol. 28, No. 5, 2010, p. 422-425.

Research output: Contribution to journalArticle

Freeman, Ruth. / Skeletal implications of reproductive aging. In: Seminars in Reproductive Medicine. 2010 ; Vol. 28, No. 5. pp. 422-425.
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