Assertion: donor's sperm | /r/CapableOf | fertilize egg
Facets:
value: in a lab
type: LOCATION
Source sentences:
text: In fact, only 40 percent of cycles in vitro fertilization—when sperm fertilizes an egg in a lab
text: Without the cumulus cells in-tact, the risk of more than one sperm fertilising the egg is too high, so ICSI is used to avoid an abnormal fertilisation.