Many people assume that a woman’s performance in sport is only affected by her menstrual cycle the week of her menstruation, but that’s not true. Every cycle consists of four phases: menstruation, follicular, ovulation, and luteal. These phases all have unique impacts on our body and performance. We talked to VIS Expert Malavika Vishwanath, M.Ed, about the late luteal phase and its impact on women in sports. What is the late luteal phase?