Ovulation can be more than once a month

Canadian scientists have put into question the traditional view that a woman's ovulation occurs once per month. They argue that this phenomenon can be repeated more than once per month. Scientists have the study, which was attended by 63 women with normal menstrual cycle. The study lasted for 6 weeks. All women took daily vaginal ultrasound. By measurement of the follicles. In a study of 50 women ovulate once, twice occurred in 6, and 7, there was absolutely none. According to the scientist Roger Pearson, until now it was assumed that during the menstrual cycle, there is only a wave of growth, which moved to a ovulation, but a detailed analysis yet. In fact, of all the women surveyed had two waves, and 30% - three said Pearson. According to experts, should their findings are of particular interest trailer natural methods of contraception because ovulate more than once a month could be the cause of their low efficiency. Therefore, women should really in need of a reliable long-term protection, consider a more efficient means.