Assertion: progesterone | /r/AtLocation | the body
Facets:
value: in animals
type: OTHER
value: naturally
type: MANNER
Source sentences:
text: Progesterone is the hormone naturally produced in the body, or produced from a plant source made to be chemically and structurally identical to human progesterone.
text: In animals, it is produced by their body mainly during the second half of the menstrual cycle.