Laura Goetzl MD MPH is Assistant Professor in Obstetrics & Gynaecology at the Medical University of South Carolina. She lectures regularly throughout the US and is Associate Editor of the upcoming edition of "Obstetrics: Normal and Problem Pregnancies".
Professor Lesley Regan is head of the Department of Obstetrics and Gynaecology at St Mary's Hospital Medical School, London and author of DK's Your Pregnancy Week by Week.