Assertion: prolactin's level | /r/Causes | mammary glands
Facets:
value: in a woman’s breast
type: LOCATION
value: in preparation for breastfeeding
type: TEMPORAL
value: to enlarge
type: PURPOSE
Source sentences:
text: Prolactin levels increase during pregnancy causing the mammary glands in a woman’s breast to enlarge in preparation for breastfeeding.