There has been a lot of recent debate on allowing Trans-Women to play in Women's sports. Most of the debate has been boring. But one point that is rarely raised is that biological women have a lot of barriers to training for elite levels in sports - not the least of which is that their bodies change drastically as they age, during the menstrual cycle and as a result of pregnancy. Trans-women get to avoid these issues and that is a strong argument to me why they should not be...