AdvertisementWave Of Bills To Block Trans Athletes Has No Basis In Science, Researcher SaysMarch 18, 2021Tinbete ErmyasKira WakeamfacebookEmailRoughly 35 bills are being proposed that would limit or prohibit transgender women from competing in women's athletics. Above, athletes run in the Women's 400 meter final during the Rio 2016 Olympic Games. (Shaun Botterill/Getty Images)