That is a different question than whether it is legal to do so. But yes, such cases have already happened – and were what sparked this change in the law. In one such case, Carla Foster, a mother from Staffordshire, was sentenced to imprisonment after it was found that she lied to abortion provider BPAS to obtain abortion drugs well past the legal limit for abortion (https://www.judiciary.uk/wp-content/uploads/2023/06/R-v.-Foster-sentencing-remarks-12.6.23.pdf). Her daughter Lily was born dead at 32-34 weeks’ gestation.