title: Reply: Implication of the liberal use of ART in Nordic countries: should stricter guidelines be created to prevent unnecessary stillbirth and preterm delivery?
authors.affiliation: Fertility Clinic, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark anna-karina.aaris.henningsen@rh.regionh.dk.
authors.forename: Anna-Karina Aaris
authors.initials: AK
authors.lastname: Henningsen
authors.affiliation: Perinatal Centre, Department of Obstetrics and Gynecology, Institute for Clinical Sciences, Sahlgrenska Academy, Gothenburg, Sweden.
authors.forename: Ulla-Britt
authors.initials: UB
authors.lastname: Wennerholm
authors.affiliation: THL, National Institute for Health and Welfare, Helsinki, Finland Nordic School of Public Health, Gothenburg, Sweden.
authors.forename: Mika
authors.initials: M
authors.lastname: Gissler
authors.affiliation: Department of Obstetrics and Gynecology, Fertility Clinic, St Olav's University Hospital, Trondheim, Norway Department of Public Health, Norwegian University of Science and Technology, Trondheim, Norway.
authors.forename: Liv Bente
authors.initials: LB
authors.lastname: Romundstad
authors.affiliation: Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden.
authors.forename: Karl-Gosta
authors.initials: KG
authors.lastname: Nygren
authors.affiliation: Department of Obstetrics and Gynecology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland.
authors.forename: Aila
authors.initials: A
authors.lastname: Tiitinen
authors.affiliation: Department of Global Public Health and Primary Health Care, University of Bergen, Bergen, Norway Medical Birth Registry of Norway, Norwegian Institute of Public Health, Bergen, Norway.
authors.forename: Rolv
authors.initials: R
authors.lastname: Skjaerven
authors.affiliation: Fertility Clinic, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.
authors.forename: Anders Nyboe
authors.initials: AN
authors.lastname: Andersen
authors.affiliation: Gynecological Clinical, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.
authors.forename: Øjvind
authors.initials: Ø
authors.lastname: Lidegaard
authors.affiliation: Department of Biostatistics, University Hospital of Copenhagen, Copenhagen, Denmark.
authors.forename: Julie Lyng
authors.initials: JL
authors.lastname: Forman
authors.affiliation: Department of Obstetrics and Gynecology, Hvidovre Hospital, University of Copenhagen, Hvidovre, Denmark.
authors.forename: Anja
authors.initials: A
authors.lastname: Pinborg
mesh_terms: D001724:Birth Weight / Q000502:physiology*; D005260:Female; D006801:Humans; D066088:Infant Death / Q000209:etiology*; D008297:Male; D011247:Pregnancy; D027724:Reproductive Techniques, Assisted / Q000009:adverse effects*; D050497:Stillbirth / Q000453:epidemiology*