Difference between Oestrone and Estrone

What is the difference between Oestrone and Estrone?

Oestrone as a noun is an estrogenic hormone excreted by the ovaries; sometimes manufactured synthetically for use in cases of estrogen deficiency. while Estrone as a noun is an estrogenic hormone excreted by the ovaries; sometimes manufactured synthetically for use in cases of estrogen deficiency.

We hope you now know whether to use Oestrone or Estrone in your sentence.