Tracey Cox, sex author and presenter; Sarah Hedley, editor of 'Scarlett' magazine; Dr Petra Boynton, sex and relationship expert and Katherine Hoyle, owner of 'Sh! Women's Erotic Emporium' share their expert knowledge for achieving the 'Big O'

"The biggest misconception is that women can have orgasms through intercourse. But 70 per cent of women don't, and that's totally normal. Guys don''t just lie back hoping to have an orgasm -- they pick a thrusting style to suit them. Women need to do the same and take control," The Sun quoted Tracey, as saying.