Assertion: progesterone's effect | /r/HasProperty | reversible
Facets:
value: usually
type: DEGREE
Source sentences:
text: The contraceptive effect of a progesterone IUD is usually reversible.
text: Others have argued that a hCG laced vaccine could not be used for sterilization since the effects of the anti-fertility vaccines are reversible (requiring booster doses to maintain immunity) and a non-conjugated vaccine is likely to be ineffective.