My mother aged 53 years has postmenopausal bleeding. Her periods stopped 7 years ago..Her endometrial thickness is 9mm. Actually d &c procedure was done, but they couldn't find any cells.. Doctor is recommending for pipelle test Or take medicines for 3 months then get the test done.. Pap smear test shows negative. What to do now?? Does it mean that there is only infection or no cancer??