The pill, women have been using it for what 50 years and it has got into our water and it effects mens sperm count.
Although it is many things so one cause isn't enough...maybe.
A comprehensive study into the reproductive health of 26,600 men found sperm concentration has decreased by a third since the 1990s.
The findings are so significant experts have warned action must now be taken to avoid significant fertility problems and the average family size decreasing.
