† A woman patient is considered to have childbearing potential unless she meets at least one of the following criteria 1) Age > 50 years and naturally amenorrhoeic for > 1 year (amenorrhoea following cancer therapy does not rule out childbearing potential); or 2) Premature ovarian failure confirmed by a specialist gynaecologist or 3) Previous bilateral salpingo-oophorectomy, or hysterectomy, or 4) XY genotype, turner syndrome, uterine agenesis.