PMOS is a complex hormonal and metabolic disorder. Toey Andante/ Shutterstock For more than two decades, I have studied a condition that shapes the lives of about 10-13% of women. This condition causes complex, wide-ranging symptoms such as irregular periods, excessive hair growth, weight gain, acne and difficulty getting pregnant. Until a few days ago, I called it polycystic ovary syndrome, or PCOS. But from now on, I – along with my colleagues, doctors and patients – will call it something dif