A married couple desperate for a baby have been told they've been having sex the wrong way for four years - which is why they failed to concieve . The pair who have not been named, but are aged 26 and 24, sought out professional advice after having no joy getting pregnant, despite having intercourse regularly. But alarm bells rang when medics discovered the wife was a virgin. She then admitted sex was "usually painful" for her every time. Obstetrician Liu Hongmei said: "The couple were very