estrins

/ˈɛstrɪnz/
noun
  1. A group of steroid hormones (including estradiol, estrone, and estriol) that are primarily responsible for the development and regulation of the female reproductive system and secondary sex characteristics.
    • The doctor explained that estrins play a key role in the menstrual cycle.
    • Some plants contain compounds that mimic the effects of estrins in the body.
    • Levels of estrins naturally decrease during menopause.
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