But those cysts continued to get in the way of understanding the true nature of the disease. “They were not actually true cysts at all,” says Dr. Helena Teede, an endocrinologist and professor of women’s health at Monash University in Australia. The sacs were eggs whose development had been arrested, as a result of the broader endocrine disruption. In the latest guidelines for diagnosing the disorder, examining the ovaries isn’t even necessarily required.  Still, the conception that this is a disease of the ovaries has lingered. On May 12, a paper in the Lancet announced the results of a push to rename the disorder that’s been growing for more than a decade, led by Teede: PCOS is now polyendocrine metabolic ovarian syndrome, or PMOS.…