noun. a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics.
- sex hormone
- steroid hormone
Example sentences of the word oestrogen
1. Verb, past participle
Women normally have oestrogen, progesterone and testosterone circulating in their blood streams.
2. Noun, singular or mass
Doctors aren't completely sure why oestrogen has such a bearing on the health of our joints; they only know that it does.
If a woman experiences pain both on the sides and in the front of her breasts, this can mean that ovulation occurred but an inadequate amount of progesterone was produced after ovulation so oestrogen** dominance is still occurring.