Andrea Catherwood decided to give up her career as a foreign correspondent after she had her first child as leaving him for weeks or months at a time to report from the frontline was something she felt she wasn't able to do. Instead she moved into presenting the news.

Last month Nigel Farage said controversially that if women in the City were prepared to sacrifice family life they could do just as well as men.

But there are now a number of senior City women who do combine their careers with motherhood. Charlotte Crosswell is Chief Executive Officer of the trading derivatives platform of NASDAQ in London and a mother of one, so how does she make it work ?