Assertion: contraceptive's use | /r/CapableOf | block the cervix
Facets:
value: as birth control methods
type: MANNER
Source sentences:
text: In the late 9th to early 10th century, the Persian physician Muhammad ibn Zakariya al-Razi documented coitus interruptus, preventing ejaculation and the use of pessaries to block the cervix as birth control methods.