Bone mineral density in polycystic ovary syndrome

 Posted by Chantel M. Research contributed by the US National Library of Medicine National Institutes of Health

The prevalence of childbearing age obesity is wide spreading in US, approximately, 50% of them are either overweight [body mass index (BMI) 25-29.9 kg/m(2)] or obese (BMI ≥ 30 kg/m(2)).
Bone mineral density in polycystic ovary syndrome
In the study to evaluate whether there are any differences in bone mineral density (BMD) between normal weight and obese adolescents suffering from polycystic ovary syndrome (PCOS) with oligo/amenorrhea, posted in PubMed, indicated that of 37 adolescents with PCOS, 12 (32%) were obese with BMI ≥25, of which 9/12 (75%) were hyperandrogenic. The control group consisted of 40 normal weight eumenorrheic girls. The PCOS group overall had lower lumbar spine BMD values as compared to the controls (0.91 vs 0.97 g/ cm(2), P = 0.033). The normal weight PCOS group had lower BMD at the spine (0.90 vs 0.97 g/ cm(2), P = 0.027), trochanter (0.66 vs 0.71 g/ cm(2), P = 0.039) as well as volumetric distal tibial core sites (268 vs 296 mg/ cm(3)) as compared to eumenorrheic controls, but there were no significant BMD differences between the obese PCOS group and the eumenorrheic controls.

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