Assertion: estrogen | /r/CapableOf | thicken the lining of the uterus
Facets:
Source sentences:
text: In women, estrogen helps breasts develop, regulates the menstrual cycle, thickens the lining of the uterus and prepares the breasts to produce milk
text: Estrogen thickens the lining of the uterus, preparing it for the possible implantation of a fertilized egg.