Definition

1. Noun:
   • A general term for female steroid sex hormones: Oestrogen refers to a group of hormones primarily secreted by the ovaries in females. They are responsible for the development and regulation of the female reproductive system and secondary sexual characteristics.

Usage

• Oestrogen is a key hormone in the female body.
• Doctors may prescribe oestrogen for certain medical conditions.
• Levels of oestrogen fluctuate during the menstrual cycle.

Examples

• Noun:
  • Oestrogen plays a crucial role in regulating the menstrual cycle.
  • A decrease in oestrogen is common during menopause.
  • The therapy involves supplementing with synthetic oestrogen.

Advanced Usage

• "Oestrogen receptor": A protein in cells that oestrogen binds to, triggering various biological effects.
  • Some breast cancers are oestrogen receptor-positive.
• "Oestrogen dominance": A theoretical condition referring to a high ratio of oestrogen to progesterone.
  • Symptoms like bloating are sometimes attributed to oestrogen dominance.

Variants and Related Words

• Estrogen (noun): The American English spelling of "oestrogen".
  • Estrogen and oestrogen refer to the same hormones.
• Oestrogenic (adjective): Having properties similar to or of oestrogen.
  • The plant compound has an oestrogenic effect.
• Phytoestrogen (noun): A plant-derived compound with oestrogen-like activity.
  • Soy products contain phytoestrogens.

Synonyms

• Female sex hormone: A broader term that includes oestrogen and progesterone.
• Estrogen: The synonym in American English spelling.

Related Phrases

• Oestrogen therapy: Medical treatment using oestrogen hormones.
  • She began oestrogen therapy to manage menopausal symptoms.
• Oestrogen level: The concentration of oestrogen in the blood.
  • The test measures your oestrogen level.

Noun

1. a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics