Assertion: relaxin's role | /r/CapableOf | occur with increase
Facets:
value: before birth
type: TEMPORAL
value: in serum concentration
type: OTHER
Source sentences:
text: The role of relaxin-2 as a hormone to prime the pubic symphysis during pregnancy occurs with an increase in serum concentration before birth, followed by a rapid decrease postpartum (63⇓⇓–66).