That's fucked up no doubt. That link suggests it was a contraceptive they were given that needed to be taken every month for it to be effective. A minor difference from full on sterilization unless I'm reading it wrong but fucked up non the less.
Seems like it can also be constituted genocide depending on the specifics.
https://gamefaqs.gamespot.com/a/forum/f/f15930d9.png