Assertion: fetus | /r/HasProperty | about 30 millimetres
Facets:
value: in length from crown-rump
type: LOCATION
value: typically
type: DEGREE
Source sentences:
text: At the start of the fetal stage, the fetus is typically about 30 millimetres (1.2 in) in length from crown-rump, and weighs about 8 grams.