Oestrone is one of the three types of oestrogen produced by the body and is the primary form of oestrogen in postmenopausal women. This test measures your blood levels of oestrone, providing valuable insights into your hormonal health.
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Hormones
Oestrone
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Oestrone is a form of oestrogen, one of the three main oestrogen hormones in the body (alongside oestradiol and oestriol). While it's less potent than oestradiol, oestrone becomes the predominant oestrogen after menopause, when it's produced mainly in fat tissue rather than the ovaries. Measuring oestrone can be useful in assessing hormonal status during and after menopause, investigating abnormal bleeding, or monitoring certain hormone-sensitive conditions. In postmenopausal women, elevated levels may be associated with increased body fat, while in premenopausal women, it helps build a complete picture of hormonal balance.
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Where is oestrone produced?
The hormone is produced primarily from androstenedione, originating from the gonads or the adrenal cortex. In premenopausal women, the ovaries secret more than 50% of oestrone. In prepubertal children, men, and non-supplemented postmenopausal women, the major portion of oestrone comes from peripheral tissue conversion of androstenedione.
What is an Oestrone Blood Test?
Our Oestrone Blood Test is usually ordered to evaluate vaginal bleeding in postmenopausal women, which may be due to peripheral tissue conversion of androgenic steroids. This can help to guide conversations and decisions for female hormone replacement therapy.
What is oestrone?
Oestrone (estrone) is one of the three naturally occurring oestrogens (estrogens), the others being oestradiol (estradiol) and oestriol (estriol).
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