1. Department of Obstetrics and Gynecology (M.S., H.K., R.K.), Helsinki University Central Hospital, Haartmaninkatu 2, 00029 HUS, Helsinki, Finland
2. Department of Obstetrics, Gynecology and Reproductive Sciences (R.N.T.), University of California, San Francisco, California 94143-0132
3. Laboratoire d’Hormonologie et de Biologie Moleculaire (E.M.), Institute National de la Santé et de la Recherche Médicale Unité 135, Hormones, Genes et Reproduction, Hopital de Bicetre, 94275 Le Kremlin-Bicetre, France