Former United States Olympic gymnast and gold medalist from the 2012 London Olympics McKayla Maroney (pictured) alleges, via her Twitter account, that she was abused by former Michigan State doctor and former USA Gymnastics doctor Larry Nassar as early as age 13 in a tweet posted early Wednesday morning, seen below.

Nassar is awaiting trial on charges of sexual assault in Ingham and Eaton Counties in Michigan.