[1] Leiden Univ, Med Ctr, Dept Gynecol & Obstet, Leiden, Netherlands
[2] Amsterdam UMC Locat AMC, Amsterdam Reprod & Dev Res Inst, Ctr Reprod Med, Dept Gynecol & Obstet, Amsterdam, Netherlands
[3] Radboud Univ Nijmegen, Dept Lab Med, Lab Med Immunol, Med Ctr, Nijmegen, Netherlands
[4] Leiden UMC, Dept Biomed Data Sci, Leiden, Netherlands
[5] Leiden UMC, Dept Clin Epidemiol, Leiden, Netherlands
[6] Leiden UMC, Dept Immunohematol & Blood Transfus, Lab Reprod Immunol, Leiden, Netherlands
[7] Patient Assoc Freya, Gorinchem, Netherlands