Hey, I wrote a little about this last autumn. Some people have been working on this, and have had some success.

https://medium.com/james-finn/transphobic-brouhaha-ignites-over-feminine-sanitary-pads-161cd7e78419?source=friends_link&sk=0517126e86330dbcb00da8747ecfd8ba

This is kind of good news, don't you think?