Oestrogen is a female sex hormone.

雌激素是一种雌性荷尔蒙。

《牛津词典》

Until now, treatment has included vaginal lubricants and therapy with the female sex hormone oestrogen.

BBC: Consultation

Tamoxifen blocks the female sex hormone oestrogen that fuels the growth of some breast tumours.

BBC: Scientists find why tamoxifen fails some breast cancers

Dr Perls suggests that the main determinant of both lifespan and age of menopause may be oestrogen, the principal female sex hormone.

ECONOMIST: Ageing