Oestrone Blood Test, from our experts to you.
Dr Sam Rodgers MBBS, MRCGP

Chief Medical Officer meet our doctors

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What is

Oestrone (estrone) is one of the three naturally occurring oestrogens (estrogens), the others being oestradiol (estradiol) and oestriol (estriol).

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's Included?

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