Recent findings presented at the annual meeting of the European Society of Human Reproduction and Embryology at Tours in France point out that male fertility starts to decline in the late 30s. Scientists who presented the findings said after the age of 39, men's sperm begins to deteriorate at a slow rate. Any partner, regardless of her age, is less likely to get pregnant by a man aged over 39, they claim. Further, men are seven per cent less likely with each advancing year to help produce a 'perfect fertilised egg'.
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