No, the shame is that you failed at having protected sex.
Each state in Australia has its own laws for abortions. That means that the US laws are now consistent with the practice in Australia. In fact, as late as 2021 in some parts of Australia abortion was a crime. https://theconversation.com/abortion-is-no-longer-a-crime-in-australia-but-legal-hurdles-to-access-remain-156215
The shame is that she was "having sex" with someone other than her husband.