Assertion: steroid hormone | /r/HasProperty | secreted by ovary
Facets:
value: during pregnancy by the placenta
type: TEMPORAL
Source sentences:
text: Steroid hormone, any of a group of hormones that belong to the class of chemical compounds known as steroids; they are secreted by three “steroid glands”—the adrenal cortex, testes, and ovaries—and during pregnancy by the placenta.