Estetrol |
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| 15 alpha-Hydroxyestriol; 15-alpha-Hydroxy-Estriol; 15 alpha Hydroxy Estriol; 15 alpha Hydroxyestriol | |
| A metabolite of ESTRIOL with a 15-alpha-hydroxyl group. Estetrol can be converted from estriol sulfate or DEHYDROEPIANDROSTERONE SULFATE by the fetal-placental unit. | |