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Oestriol hormone, molecular model

Oestriol hormone, molecular model

A619/0147

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Credit

DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY

Caption

Oestriol hormone. Molecular model of the structure of the female sex hormone oestriol. Atoms are represented as rods and are colour-coded: carbon (blue), hydrogen (gold), and oxygen (red). Oestriol is one of three naturally occurring oestrogens, a class of hormones that are associated with the development of the female reproductive organs and secondary sex characteristics. Oestriol is produced at high levels by the placenta during pregnancy, although it is secreted by the ovaries at low levels in non-pregnant women. If oestriol levels are abnormally low during pregnancy, this can indicate that there is a problem with the development of the foetus.

Release details

Model release not required. Property release not required.

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