Menopause, perimenopause and postmenopause are stages in a woman's life when her monthly period stops and is the end of a woman’s menstrual cycles - also meaning the woman is no longer able to bear children. Menopause is a point in time 12 months after a woman's last period.
The years leading up to that point, when women may have changes in their monthly cycles, hot flashes, or other symptoms, are called the menopausal transition, or perimenopause.
Typically, women are prescribed Hormone Replacement Therapy. There are many natural alternatives to Hormone Replacement Therapy (H.R.T.) and its discomfort and dangers.
My choice as a starting point contains the following herbs: Vervain, Wild Yam, Euphorbia, Pulsatilla, Rosehips, Liquorice, Blue Flag, Phytolacca and Sarsaparilla with Bach Flower base of Cerato, Wild Oat and Scleranthus.
I do however find a great variability in the mixtures which suit different individuals and offer this formulation as a good general purpose one. It should be taken mixed in a cup of cold (or hot) chamomile tea, for best results.
If you find you are able to switch from HRT to this program and find yourself more comfortable, you can consider it a good initial, (and certainly a much safer) approach.
From here you should seek further advice if your problems are not completely resolved, and I can offer a personal consultation in this case.
References
National Institude on Aging - https://www.nia.nih.gov/health/what-menopause