Assertion: uterus's lining | /r/CapableOf | thicken with blood
Facets:
value: in preparation for pregnancy
type: PURPOSE
Source sentences:
text: During a female’s monthly menstrual cycle, the lining of the uterus thickens with blood in preparation for the release of an egg from one of the ovaries.
text: During a normal menstrual cycle, the lining of the uterus, called the endometrium, will thicken with blood in preparation for pregnancy.