Date	Event	Description
11 February 2009	New citation required but conclusions have not changed	This review was updated July 2008
21 October 2008	Review declared as stable	The conclusion of this review are now regarded as stable
21 October 2008	New search has been performed	Review update involved an extensive overhaul of the entire original review
15 September 2008	Amended	Title changed as irregular bleeding no longer a focus of the review and for simplicity removed in postmenopausal women
16 July 2008	New search has been performed	Protocol amended, new search done and review updated
15 April 2008	Amended	Converted to new review format.
9 July 2007	New citation required and conclusions have changed	Substantive amendment