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Blogger's Note: abstract does not indicated reference to ovarian cancer
abstract
Tweetable abstract
Lesbians have less uterine cancer than heterosexual women; bisexuals have more pelvic pain and cervical cancer.
Keywords:
- bisexual;
- cancer;
- gynaecology;
- lesbian;
- pelvic pain;
- polycystic ovary syndrome;
- systematic review
Background
Little is known about the gynaecological health of lesbian and bisexual (LB) women.
Objectives
To examine differences in incidence and/or prevalence of gynaecological conditions in LB compared with heterosexual women.
Search strategy
The systematic review protocol was prospectively registered (PROSPERO-CRD42015027091) and searches conducted in seven databases.
Selection criteria
Comparative
studies published 2000–2015, reporting any benign (non-infectious)
and/or malignant gynaecological conditions with no language or setting
restrictions.
Data collection and analysis
Inclusions,
data extraction and quality assessment were conducted in duplicate.
Meta-analyses of condition prevalence rates were conducted where ≥3
studies reported results.
Main results
From
567 records, 47 full papers were examined and 11 studies of mixed
designs included. No studies directly addressing the question were
found. Two chronic pelvic pain studies reported higher rates in bisexual
compared with heterosexual women (38.5 versus 28.2% and 18.6 versus
6.4%). Meta-analyses showed no statistically significant differences in
polycystic ovarian syndrome, endometriosis and fibroids. There was a
higher rate of cervical cancer in bisexual than heterosexual women [odds
ratio (OR) = 1.94; 95% CI 1.46–2.59] but no difference overall (OR =
0.76; 95% CI 0.15–3.92). There was a lower rate of uterine cancer in
lesbian than heterosexual women (OR = 0.28; 95% CI 0.11–0.73) and
overall (OR = 0.36; 95% CI 0.13–0.97), but no difference in bisexual
women (OR = 0.43; 95% CI 0.06–3.07).
Conclusions
More
bisexual women may experience chronic pelvic pain and cervical cancer
than heterosexual women. There is no information on potential
confounders. Better evidence is required, preferably monitoring sexual
orientation in research using the existing validated measure and fully
reporting results.
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