ScienceThe causes of infertilityTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience12/24/2015December 24, 2015Dr. Heribert Kentenich explains the factors that can leave couples childless against their wishes, and what methods doctors use to determine their chances of conceiving.https://p.dw.com/p/1HS99Advertisement