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• n  a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency

• Recent research on such female sex hormones as theelin reveals that the corresponding male hormones are chemically almost identical.
• Chemical twin of ergosterol is cholesterol which is involved with the female sex hormone theelin.
• Treatment is now standardized to include theelin hypodermically and amniotin in vaginal suppositories.

• estrone
• oestrone
• Estronol