Predicting the chances of a live birth after one or more complete cycles of in vitro fertilisation: population based study of linked cycle data from 113 873 women BMJ 2016;355:i5735

A new paper looks at the link between exercise and sperm health. The results: try to get the right balance. Sperm health was shown to improve when men completed some moderate exercise. (3 x 30 minutes on the treadmill per week)