Risks of Advanced Paternal Age

man and woman in their 40s and the signs of infertility

Well studied are the effects of maternal age and risk for miscarriage and aneuploidy (abnormal number of chromosomes). Less attention was focused on the risks of advanced paternal age. The average age of a woman having her first child has increased over the last two decades. Sensibly, so has the number of older men fathering children. […]

Continue reading


Lack of Sleep and Reduced Semen Quality

“A good laugh and a long sleep are the best cures in the doctor’s book.” Underlying this anonymous, Irish proverb there is probably truth. Most recently, the association between lack of sleep and reduced semen quality has been examined. A cross-sectional study amongst over 900, healthy young men in Denmark has associated such disturbances with […]

Continue reading