Assertion: birth control's hormone | /r/CapableOf | affect the lining of the uterus
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: The hormones in the Pill can also sometimes affect the lining of the uterus, making it difficult for an egg to attach to the wall of the uterus.
text: The hormones can also sometimes affect the lining of the uterus so that if the egg is fertilized it will have a hard time attaching to the wall of the uterus.