After 13 hours of intensifying pain, two trips to the emergency room and two CT scans, doctors finally found what was ailing Lottie Green.
In her left lung, the pulmonologist told her, was the largest blood clot they had ever seen and there were others in her right lung as well, she said.
Soon after the 41-year-old Bethesda, Md., resident was released from a hospital last month, Ms. Green joined hundreds of other women in lawsuits against Germany’s Bayer AG, the maker of the popular oral contraceptive Yaz.