In which situations do you offer ovarian suppression with chemotherapy to prevent the development of premature menopause in premenopausal women with ER negative breast cancer?

I would consider the use of GnRHa during chemotherapy in all women that are premenopausal at breast cancer diagnosis (irrespective of age) and that are concerned about developing the side effects of early menopause. Current evidence supports its use as a standard strategy for ovarian function preser...