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Oral Contraceptive Use and Bone Density in Adolescent and Young Adult Women

Overview
Journal Contraception
Publisher Elsevier
Date 2009 Dec 17
PMID 20004271
Citations 17
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Abstract

Background: Most of the millions of oral contraceptive (OC) users are under 30 years of age and in the critical period for bone mass accrual.

Study Design: This cross-sectional study of 606 women aged 14-30 years examined both OC duration and estrogen dose and their association with bone mineral density (BMD) at the hip, spine, and whole body (dual-energy X-ray absorptiometry).

Results: Of 389 OC users and 217 nonusers enrolled, 50% were adolescents (14-18 years). Of OC users, 38% used "low-dose" OCs [<30 mcg ethinyl estradiol (EE)]. In adolescents, mean BMD differed by neither OC duration nor EE dose. However, 19- to 30-year-old women's mean BMD was lower with longer OC use for spine and whole body (p=.004 and p=.02, respectively) and lowest for >12 months of low-dose OCs for the hip, spine and whole body (p=.02, .003 and .002, respectively).

Conclusions: Prolonged use of today's OCs, particularly <30 mcg EE, may adversely impact young adult women's bone density while using these agents.

Citing Articles

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Oral contraceptive use, bone mineral density, and bone turnover markers over 12 months in college-aged females.

Almstedt H, Cook M, Bramble L, Dabir D, LaBrie J J Bone Miner Metab. 2020; 38(4):544-554.

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Effects of Estrogen Replacement on Bone Geometry and Microarchitecture in Adolescent and Young Adult Oligoamenorrheic Athletes: A Randomized Trial.

Ackerman K, Singhal V, Slattery M, Eddy K, Bouxsein M, Lee H J Bone Miner Res. 2019; 35(2):248-260.

PMID: 31603998 PMC: 7064307. DOI: 10.1002/jbmr.3887.


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