#estrogen__oestrogen  a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
  supertype:  steroid_hormone__steroidhormone__steroid__sexhormone  any hormone affecting the development and growth of sex organs
  subtype:  diethylstilbestrol__diethylstilboestrol__stilboestrol__DES  a potent estrogen used in medicine and in feed for livestock and poultry
  subtype:  estradiol__oestradiol  the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer
  subtype:  estriol__oestriol  a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency
  subtype:  estrone__oestrone__theelin__Estronol  a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
  subtype:  hexestrol  estrogen compound used to treat menstrual irregularities and menopausal symptoms and to prevent pregnancy
  subtype:  mestranol  a synthetic form of estrogen used in combination with a progestin in oral contraceptives

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