title: Multiple pregnancy: preface.
authors.affiliation: Fetal Medicine Unit, St. George's Healthcare NHS Trust, Department of Obstetrics and Gynaecology, 4th Floor, Lanesborough Wing, Blackshaw Road, London SW17 0QT, United Kingdom. Electronic address: basky@pobox.com.
authors.forename: Basky
authors.initials: B
authors.lastname: Thilaganathan
authors.affiliation: Fetal Medicine Unit, St. George's Healthcare NHS Trust, Department of Obstetrics and Gynaecology, 4th Floor, Lanesborough Wing, Blackshaw Road, London SW17 0QT, United Kingdom.
authors.forename: Asma
authors.initials: A
authors.lastname: Khalil
mesh_terms: D005260:Female; D006801:Humans; D015994:Incidence; D011247:Pregnancy; D011272:Pregnancy, Multiple / Q000706:statistics & numerical data; D047928:Premature Birth; D027724:Reproductive Techniques, Assisted; D012307:Risk Factors