Recruitment target:  2450 (1400 postmenopausal, 1050 premenopausal)

Recruitment as of March 2018: 1758 (1021 postmenopausal, 737 premenopausal*)

*Please be aware of a change to the target population of premenopausal participants:

Please now recruit only those premenopausal women who are scheduled to undergo surgery/biopsy for suspected ovarian cancer or adnexal mass.

Postmenopausal women can continue to be recruited as normal