noun
- A female sex hormone produced mainly in the ovaries that regulates reproductive and sexual development in women.
Usage: Also spelled 'estrogen' in U.S. English; Commonly used in medical and biological contexts
Examples
- Oestrogen levels fluctuate throughout a woman's menstrual cycle.
- The doctor prescribed hormone replacement therapy to increase her oestrogen levels.
- Oestrogen plays a crucial role in bone health and cardiovascular function.
- During menopause, oestrogen production decreases significantly.
- Research shows that oestrogen receptors are found in many tissues throughout the body.