Which hormone is called the female sex hormone?
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✅ Correct Answer: C — Oestrogen
Oestrogen (Estrogen) is the primary female sex hormone produced mainly by the ovaries. It regulates the menstrual cycle, develops female secondary sexual characteristics (breast development, wider hips), and prepares the uterus for pregnancy.
❌ Why other options are wrong:
• A. Testosterone — Primary male sex hormone produced by testes; responsible for male characteristics (beard, deep voice, muscle mass). Females have very small amounts.
• B. Cortisol — Stress hormone produced by adrenal cortex; regulates stress, metabolism, and immunity. Not a sex hormone.
• D. Adrenaline — Produced by adrenal medulla; triggers 'fight or flight' response. Not a sex hormone.
📝 Important Note: Female hormones = Oestrogen + Progesterone (by ovaries). Male hormone = Testosterone (by testes). Both sexes have both hormones in different amounts. Oestrogen deficiency causes menopause. Progesterone maintains pregnancy. Key SSC CGL reproductive biology topic.
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