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BMI and Uterine Size: Is There Any Relationship?

Dandolu, Vani M.D., M.P.H.; Singh, Ruchira M.D.; Lidicker, Jeff M.S.; Harmanli, Oz M.D.

International Journal of Gynecological Pathology: November 2010 - Volume 29 - Issue 6 - p 568–571
doi: 10.1097/PGP.0b013e3181e8ae64
Pathology of the Corpus: Original Articles

To evaluate the influence of BMI on the prevalence of fibroids and uterine weight. Uterine pathology specimens of all the women who underwent hysterectomy for benign indications from 1995 to 2002 were studied. Patient characteristics such as age, race, body mass index (BMI), and parity were collected by chart review. The data were statistically analyzed using a 1-way analysis of variance and regression analysis. Uterine weight and fibroids were the dependent variables and BMI, age, and parity were the independent variables. The correlation between BMI and the presence/number of fibroids and their size was also studied. Among the 873 patients who underwent hysterectomy for benign indications, 47.1% were obese and these women had the highest mean uterine weight of 349.53 g. Overall, BMI had a significant correlation with the uterine size (P<0.0001). For every 1-point increase in BMI, uterine weight increased by 7.56 g. BMI positively correlated with uterine size both in the women with fibroids (P=0.038) and in those without fibroids (P=0.016). After controlling for fibroids, every 1-point increase in BMI resulted in an increase of 4.56 g in uterine weight (P<0.0001). In addition, there was a significant correlation between BMI and the presence of fibroids (P<0.0001), but not with the size of fibroids (P=0.11). A significant correlation was found between BMI and uterine weight in all the women, independent of age and parity. For every 1-point increase in BMI, there was a 7.56 g increase in uterine weight. This association needs to be further assessed in healthy women without uterine pathology.

Department of Obstetrics and Gynecology (V.D., R.S., J.L.), Temple University Hospital, Philadelphia, PA

Department of Obstetrics and Gynecology (O.H.), Bay State Medical Center, Springfield, MA

Financial Disclosures: None.

Primary site of study: Temple University Hospital, Philadelphia PA19140.

Address correspondence and reprint requests to Vani Dandolu, MD, MPH, Department of Obstetrics and Gynecology, Temple University Hospital, 3401 North Broad Street, Philadelphia, PA-19140. e-mail: vani.dandolu@temple.edu

©2010International Society of Gynecological Pathologists