For perimenopause, bioidentical progesterone can support sleep, reduce anxiety, and balance estrogen effects

https://www.scribd.com/document/1001283501/BHRT-and-Bone-Health-Protecting-Density-After-Menopause-134330

For perimenopause, bioidentical progesterone can support sleep, reduce anxiety, and balance estrogen effects, while carefully dosed estradiol may ease vasomotor symptoms and help stabilize mood changes.