The Food and Drug Administration warned consumers that almost 4,200 boxes of Tydemy, a birth control pill, may have reduced effectiveness.The Food and Drug Administration warned consumers that almost 4,200 boxes of Tydemy, a birth control pill, may have reduced effectiveness.Read Morec6e66eef-b0be-53a4-93a4-16159f576882, fox-news/health/healthy-living/womens-health, fox-news/health/reproductive-health, fox-news/health/reproductive-health/pregnancy, fnc, fox-news/health, article, Fox News, Sarah Rumpf-WhittenFOX News : Health