16. Women who had a complete uterus (except for menopausal status over the last 24 months) during the six months after the study and at the last administration of bevacizumab, but did not use effective contraceptive methods (no contraindications to use background chemotherapy Drugs in the case of oral contraceptives, intrauterine devices, barrier contraceptives combined with spermicidal gels or sterilization surgery). During the study period and the last administration of bevacizumab within 90 days, men who did not agree to use effective contraceptive methods;