- Of non-childbearing potential defined as surgically sterile (hysterectomy, bilateral salpingectomy and bilateral oophorectomy), or post-menopausal (at least 12 consecutive months without menstruation, without an alternative medical cause [including hormone replacement therapy]). In addition a determination of follicle stimulating hormone (FSH) can be performed with FSH >35 mIU/ml to further confirm postmenopausal status without menstruation for ≥12 months.