![[Swarm of sperm]](http://cdn1.medicalnewstoday.com/content/images/articles/314/314547/swarm-of-sperm.jpg)
Exercise and its effect on sperm quality is investigated in a new study.
An estimated 1 in 3 couples find conceiving difficult because of poor semen quality.
Often, these couples only have in vitro fertilization (IVF) as a treatment option; however, poor sperm quality is known to increase the risk of miscarriage, birth defects, and childhood cancer.
![[Man with back pain illustration]](http://cdn1.medicalnewstoday.com/content/images/articles/314/314493/man-with-back-pain-illustration.jpg)
