Study finds evidence of microplastics in male reproductive systemsNewsDuration 4:03Many couples trying to start a family experience fertility challenges. And while male infertility accounts for one-third of infertility cases, there is new research that shows contributing factors may be on the rise. A new study out of Oxford University has found evidence of microplastics in male reproductive systems. CBC's Dan Burritt is joined by Dr. Caitlin Dunne, a reproductive endocrinologist and infertility specialist.