The Princess Royal left midwives and the Duchess of Cambridge in stitches when she recalled fearing one of her babies had become "wedged" when she tripped over in a horse lorry while heavily pregnant. The Queen's daughter was chatting to maternity experts during a visit to the new headquarters of her patronage, the Royal College of Midwives (RCM), which is also home to the Royal College for Obstetrics and Gynaecology (RCOG) - and which Kate supports as patron. Report by Brooksl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn