title: Reply of the authors.
authors.affiliation: Department of Reproductive Medicine and Gynecological Endocrinology, University Clinic of Schleswig-Holstein, Luebeck, Germany.
authors.forename: Georg
authors.initials: G
authors.lastname: Griesinger
authors.affiliation: MSD, Oss, the Netherlands.
authors.forename: Bernadette
authors.initials: B
authors.lastname: Mannaerts
authors.affiliation: Laboratory of Reproductive Biology, University Hospital of Copenhagen, Copenhagen, Denmark.
authors.forename: Claus Yding
authors.initials: CY
authors.lastname: Andersen
authors.affiliation: MSD, Oss, the Netherlands.
authors.forename: Han
authors.initials: H
authors.lastname: Witjes
authors.affiliation: Unit for Human Reproduction, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: Efstratios M
authors.initials: EM
authors.lastname: Kolibianakis
authors.affiliation: Merck Sharp & Dohme Corp., Whitehouse Station, New Jersey.
authors.forename: Keith
authors.initials: K
authors.lastname: Gordon
mesh_terms: D005260:Female; D005307:Fertilization in Vitro / Q000706:statistics & numerical data*; D005640:Follicle Stimulating Hormone / Q000008:administration & dosage*; D007987:Gonadotropin-Releasing Hormone / Q000037:antagonists & inhibitors*; D006801:Humans; D007247:Infertility, Female / Q000097:blood*; D010062:Ovulation Induction / Q000706:statistics & numerical data*; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology*; D011374:Progesterone / Q000097:blood*
chemical_list: D007987:Gonadotropin-Releasing Hormone; D011374:Progesterone; D005640:Follicle Stimulating Hormone