Per Tornvall

No ORCID on file · 3 papers in corpus
article 2016
Reproductive and Lifestyle Factors Associated with Endometriosis in a Large Cross-Sectional Population Sample
Journal of women's health (2002) ·doi:10.1089/jwh.2016.5795

OBJECTIVES: Despite the high prevalence of endometriosis among women of reproductive age, risk factors or markers for developing the condition remain largely unknown. Many of the published studies are based on small selected samples. We the…

article 2016
Validity of self-reported endometriosis and endometriosis-related questions in a Swedish female twin cohort
Fertility and sterility ·doi:10.1016/j.fertnstert.2016.09.038

ObjectiveTo examine the validity of self-reported endometriosis and to improve the reliability of questionnaires by including endometriosis-related questions.DesignAnalysis of survey questionnaire data.SettingCross-sectional study.Patient(s…

article 2015
Heritability of endometriosis
Fertility and sterility ·doi:10.1016/j.fertnstert.2015.06.035

ObjectiveTo estimate the relative contribution of genetic influences and prevalence on endometriosis.DesignAnalysis of self-reported data from a nationwide population-based twin registry.SettingNot applicable.Patient(s)A total of 28,370 wom…