Yes, you're quite right. For several years now, MPs who are expecting a baby or whose partner is expecting a baby have had the ability to apply to the speaker for a proxy vote.
It's pretty straightforward. They request it and they don't need to provide medical evidence. We take their word that they're definitely going to have a baby, because there's no reason they would be untruthful about that. The Speaker issues what we call a proxy voting certificate, which is recorded in our formal business papers. It says that a particular member will vote on behalf of another member for a set period of time.
In our voting system, which I mentioned earlier, if an MP is holding a proxy vote for another MP, when they go to vote, they tap their pass and they are invited to vote on behalf of that proxy member as well, so the technology captures that.