OOmis -“The need to protect E”Y is one of pikuach nefesh. Kol isha is not 100% clear in all aspects of the issur, and it certainly does not take precedence over human life.”
Since it’s now their policy to force them to listen -you can’t join. That is exactly what Yeehoreg V’al Yavor means -you can’t be Oiver the Issur even when it’s Pickuach Nefesh! Ladies signing is an Abizrayhu of Arayos.