A team led by Professor ??jvind Lidegaard at the University of Copenhagen reviewed data in Danish non-pregnant women aged 15-49 from 2001 to 2010.Commenting on the findings, Professor Lidegaard said women aged from 30 upwards who use the vaginal ring or the patch might consider shifting to using the second generation of contraceptive pills.He said: The most important thing is that women are infor