Assertion: blocked fallopian tube | /r/CapableOf | affect fertility
Facets:
value: in two ways
type: MANNER
value: by preventing sperm
type: MANNER
value: by preventing a fertilized egg
type: MANNER
Source sentences:
text: They can affect fertility in two ways: by preventing sperm from reaching an egg, and by preventing a fertilized egg from implanting in the uterus.