Progesterone
/proʊˈdʒɛstəˌroʊn/
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Definition
(noun) A steroid hormone, secreted by the ovaries, whose function is to prepare the uterus for the implantation of a fertilized ovum and to maintain pregnancy.
Sentence Examples
Progesterone is a female hormone.
I always confuse estrogen with progesterone.
CEFR Practice Quiz
The hormone ____ plays a key role in regulating the menstrual cycle and supporting pregnancy.