Definition of "oestrogen" []

• Variant of estrogen. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If I develop symptoms, I was planning on increasing my intake of foods that contain oestrogen ... but then a friend said that would be no different to HRT ... except I wouldn't know exactly how much I was taking ..."
• "The ovaries also produce two important female hormones called oestrogen and progesterone."
• "An aggressive and relapse-prone disease roughly accounting for around 20% of all breast cancers, mTNBC tumors lack the proteins commonly screened for and targeted by breast cancer therapies - namely oestrogen, progesterone and HER2."