Emily's Cat
Rarely prone to hissy-fits
You are wrong.And that term is used strictly and solely with transmen who give birth, if (and only if) it's the term that they themselves prefer to be used for them. A ciswoman giving birth will never be referred to in this way by hospitals/midwives/etc.
This is another case of you assuming that what you think *ought* to be how it works, actually *is* how it works, and just running with it without bothering to check.
CDC Statement on Pregnancy Health Advisory refers to "pregnant people" and doesn't use the terms "woman" or "female anywhere.
Breastfeeding and Caring for Newborns if You Have COVID-19 keeps the term "breastfeeding", but throughout it refers to "pregnant people" and "birth parent", never to "women".
Health Affairs Centering The Needs Of Birthing People During The COVID-19 Pandemic