image freepik health what in the hormone is going on? group of hormones that are sometimes called the woman's health - particularly powerful female hormone is responsible for puberty- related bodily changes and the growth of pubic and contributes to the fertilisation process so that you become your body to produce the milk required to sustain your important role in regulating sensitivity and body weight oestrogen begins to decline this is a natural process and is largely unavoidable during perimenopause your levels of oestrogen rise the discomfort