Assertion: amniocentesis | /r/Causes | infection
Facets:
value: by introducing bacteria
type: MANNER
value: in some cases
type: TEMPORAL
Source sentences:
text: In some cases, amniocentesis may cause an infection, by introducing bacteria through the needle site into the amniotic sac.
text: In some cases, amniocentesis may cause infection by introducing bacteria into the amniotic sac.