Holly R. Harris

Supplementary Table 1 shows the range of folate intake included in each tertile, by OCAC study site.

Supplementary Table 1 shows the range of folate intake included in each tertile, by OCAC study site.

Supplementary Table 2 shows the single nucleotide polymorphisms (SNPs) used as instruments for folate level in the Mendelian randomization analysis.

Supplementary Table 2 shows the single nucleotide polymorphisms (SNPs) used as instruments for folate level in the Mendelian randomization analysis.

Supplementary Table 2 shows the single nucleotide polymorphisms (SNPs) used as instruments for folate level in the Mendelian randomization analysis.

Supplementary Table 2 shows the single nucleotide polymorphisms (SNPs) used as instruments for folate level in the Mendelian randomization analysis.

Supplementary Table 3 shows the associations between folate intake (dietary, supplemental, total) and ovarian cancer by endometriosis status, and by histological subtype (endometrioid/clear cell cancers and high grade serous cancers).

Supplementary Table 3 shows the associations between folate intake (dietary, supplemental, total) and ovarian cancer by endometriosis status, and by histological subtype (endometrioid/clear cell cancers and high grade serous cancers).

Supplementary Table 3 shows the associations between folate intake (dietary, supplemental, total) and ovarian cancer by endometriosis status, and by histological subtype (endometrioid/clear cell cancers and high grade serous cancers).

Supplementary Table 3 shows the associations between folate intake (dietary, supplemental, total) and ovarian cancer by endometriosis status, and by histological subtype (endometrioid/clear cell cancers and high grade serous cancers).

Supplementary Table 4 shows the association between glycemic index, glycemic load, grain intake and risk of ovarian cancer for women with and without endometriosis.

Supplementary Table 4 shows the association between glycemic index, glycemic load, grain intake and risk of ovarian cancer for women with and without endometriosis.

Supplementary Table 4 shows the association between glycemic index, glycemic load, grain intake and risk of ovarian cancer for women with and without endometriosis.

Supplementary Table 4 shows the association between glycemic index, glycemic load, grain intake and risk of ovarian cancer for women with and without endometriosis.

Supplementary Table 5 shows the results from the different Mendelian randomization methods investigating the association between genetically predicted folate and risk of ovarian cancer, by endometriosis status

Supplementary Table 5 shows the results from the different Mendelian randomization methods investigating the association between genetically predicted folate and risk of ovarian cancer, by endometriosis status

Supplementary Table 5 shows the results from the different Mendelian randomization methods investigating the association between genetically predicted folate and risk of ovarian cancer, by endometriosis status

Supplementary Table 5 shows the results from the different Mendelian randomization methods investigating the association between genetically predicted folate and risk of ovarian cancer, by endometriosis status

Characteristics of cases and controls with and without endometriosis.

Characteristics of cases and controls with and without endometriosis.

Median folate intake and mandatory folate fortification status, OCAC studies.

Median folate intake and mandatory folate fortification status, OCAC studies.

Association between folate intake and risk of invasive epithelial ovarian cancer, by endometriosis status.

Association between folate intake and risk of invasive epithelial ovarian cancer, by endometriosis status.

Endometriosis is a common condition associated with debilitating pelvic pain and infertility. A genome-wide association study meta-analysis, including 60,674 cases and 701,926 controls of European and East Asian descent, identified 42 genom…