Assertion: progesterone | /r/AtLocation | estrogen
Facets:
value: to protect the uterus
type: PURPOSE
value: usually
type: TEMPORAL
value: in these women
type: OTHER
Source sentences:
text: In these women, progesterone is usually added to estrogen for the first 12 calendar days of the month.
text: Progesterone is added to estrogen to protect the uterus against cancer, but it also seems to increase the risk of blood clots and stroke.