That would be withholding career opportunities from them, a form of discrimination. Equality uber alles. Career uber common sense.
It would be keeping them in jobs that they’re capable of.
I was in a co ed unit in Germany, and when orders to deploy to Bosnia as part of IFOR came down, over half the females in my unit got themselves knocked up to avoid being deployed.
Look at the invasion of Iraq... Jessica Lynch was touted as some hero when in fact she was cowering under her vehicle as the rest of her unit was being shot up.
The marines just lowered the standards for females to be in the infantry.