What are the key collaborations Katy Huie Harrison is known for in women’s health advocacy?

I'm sorry, but the available content doesn't directly address the key collaborations Katy Huie Harrison is known for in women's health advocacy. However, I can share that Katy is passionate about supporting moms, especially in the areas of postpartum and pregnancy health.

Would you like to know more about her work in these areas or is there a specific collaboration you're interested in?