Assertion: contraction | /r/CapableOf | last about 30 to 45 seconds
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Early labor: Each contraction usually lasts about 30 to 45 seconds.
text: Your OB will probably give you a guideline for when to call or head to the hospital (like, when contractions are 5 minutes apart and lasting 30 to 45 seconds).
text: Each contraction usually lasts about 30 to 45 seconds.