I have mixed feelings about this. It's uncomfortable to think women are put in this position as a result of policy but it is something that often happens for women not in receipt of benefits.
I know a young couple that made this choice (about a first accidental pregnancy) due to financial insecurity at the time. Had they been in a better position they absolutely would have wanted to continue the pregnancy.
I also can't help but think having more than two children is a detriment to women that are already disadvantaged. With every child you have life gets exponentially harder. I am a bit biased here because I had 4 children at a fairly young age and whilst I love them dearly (and there are upsides to bigger families) I wish I had understood fully the limitations that come with it. An older, wiser me might have stopped at 2, which is difficult to write because I can't really imagine not having the youngest 2.
Having said that nobody wants, I would hope, a situation whereby women are effectively sanctioned for not wanting an abortion in the case of accidental pregnancy. In many ways I can imagine the decision being more difficult when you already have children because you know what it is deliver a wanted child.
This is all without even touching on the climate/over population arguments. Although I will say it sits a bit uncomfortably that if as part of climate change measures it's poorer women who will be disproportionately expected to cease or limit their reproduction.