Too much coffee can reduce the chances of a woman with fertility problems getting pregnant, a study suggests.
Dutch researchers followed 9,000 women who had received IVF to see if they fell pregnant naturally. Around one in seven did, but drinking more than four cups of coffee a day cut chances of conceiving by around 26%. Experts said the findings, presented to a European conference, only applied to women with poor fertility who wanted to maximise their chances of pregnancy.

Full story: news.bbc.co.uk