Affiliation: Institute for Biodiagnostics, National Research Council of Canada, 435 Ellice Ave., Winnipeg, Mb. Canada R3B 1Y6 (RAS, SLY, KCM, and HHM), Technische Universität, D-01062 Dresden, Germany (GS, RS), Departments of Obstetrics, Gynecology, and Reproductive Sciences, Health Sciences Centre, University of Manitoba, 810 Sherbrook St., Winnipeg, Manitoba, Canada R3A 1R8 (FBG)