1. A group of steroid hormones produced mainly in the ovaries that promote the development and maintenance of female sexual characteristics and reproductive function.
Usage: Plural form; also spelled 'estrogens' in U.S. English; Medical/biological term; Often used in medical, scientific, and health contexts

Examples

• Oestrogens play a crucial role in the menstrual cycle.
• The doctor explained that oestrogens help maintain bone density in women.
• During puberty, oestrogens trigger the development of secondary sexual characteristics.
• Hormone replacement therapy may include synthetic oestrogens.
• Research shows that oestrogens affect mood and cognitive function.