Deontay Wilder claims ex-girlfriend Helen Duncan 'injected' his sperm into her to conceive his eldest child Former heavyweight world champion boxer Deontay Wilder has revealed in graphic detail how his ex-girlfriend Helen Duncan "injected" his sperm into her following intercourse to conceive their daughter 3 April 2026 Deontay Wilder has claimed that his ex-girlfriend Helen Duncan "injected" his sperm into her after intercourse to conceive his eldest child.