Trans women are women.
Infertile cis women are women.
Some people can be pregnant who aren’t women.
If you frame abortion as a “women’s issue,” you’re being mean to everybody above.
If you say it’s an issue for “women and everyone with uteruses,” you’re being mean to the top two groups above.
If you say it’s an issue for “everyone who can be pregnant,” you are being mean to nobody above.