Women who take a daily multivitamin tablet can boost their chances of getting pregnant.
Researchers at the Harvard School of Public Health who followed 18,000 women over eight years found those who took a multivitamin on at least six days a week had a 40 per cent lower risk of suffering ovulatory problems leading to infertility.
About 150,000 women in the UK have ovulation problems - almost one in 10 of all women affected by infertility. It is the second leading cause of female infertility after problems with blocked fallopian tubes.
Jorge Chavarro, the research fellow at Harvard who led the study, said it was the largest so far conducted. The women had all successfully