title: Significance of (sub)clinical thyroid dysfunction and thyroid autoimmunity before conception and in early pregnancy: a systematic review.
authors.affiliation: Department of Obstetrics and Gynaecology, Academic Medical Center, Centre for Reproductive Medicine, Amsterdam, The Netherlands.
authors.forename: Emmy
authors.initials: E
authors.lastname: van den Boogaard
authors.affiliation: Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands.
authors.forename: Rosa
authors.initials: R
authors.lastname: Vissenberg
authors.affiliation: Department of Obstetrics and Gynaecology, University Medical Center Groningen, Groningen, The Netherlands.
authors.forename: Jolande A
authors.initials: JA
authors.lastname: Land
authors.affiliation: Department of Obstetrics and Gynaecology, Academic Medical Center, Centre for Reproductive Medicine, Amsterdam, The Netherlands.
authors.forename: Madelon
authors.initials: M
authors.lastname: van Wely
authors.affiliation: Department of Obstetrics and Gynaecology, Academic Medical Center, Amsterdam, The Netherlands.
authors.forename: Joris A M
authors.initials: JA
authors.lastname: Ven der Post
authors.affiliation: Department of Obstetrics and Gynaecology, Academic Medical Center, Centre for Reproductive Medicine, Amsterdam, The Netherlands.
authors.forename: Mariette
authors.initials: M
authors.lastname: Goddijn
authors.affiliation: Department of Endocrinology and Metabolism, Academic Medical Center, F5-168, PO Box 22660, 1100 Amsterdam, The Netherlands p.h.bisschop@amc.uva.nl.
authors.forename: Peter H
authors.initials: PH
authors.lastname: Bisschop