In a 21 to 5 vote, the U.S. Food and Drug Administration said that the labels on certain oral contraceptive drugs should be rewritten to reflect risks accurately. The pills in question contain the hormone drospirenone. The brand names for these products include Yaz, Yasmin, Beyaz and Sayfral. Some studies suggest that the risk is higher for venous thromboembolism (VTE) in birth control pills with drospirenone than those with another hormone called levonorgestrel, a progestin. VTE occurs when blood clots …