Oestrogen plays a crucial role in regulating the menstrual cycle.

Oestrogens play a crucial role in regulating the female reproductive system.

The oestrogenic effects of the medication were evident in the patient's hormone levels.

Oestrogenism is a medical condition caused by an excess of estrogen in the body.

She reacted oestrogenically to the news.

She is oestrogenized and proud of it.

The oestrogenicity of the chemical was tested in the laboratory.

Oestrogenisation is the process of converting testosterone into estrogen.