Unfortunately it is the reduction in oestrogen.
There are various natural remedies people recommend for the hot flushes, which are uncomfortable. Do you have a local Holland and Barrett?
You might like this article.
www.healthywomen.org/content/article/estrogen-and-weight-gain-whats-connection
Cutting out carbs to lose weight
Women are a minority view so should be disregarded
Why do hospitals, most of whom have large catchment areas, make accessing them so difficult?


