The investigation of choice in a 55-year-old post menopausal women who has presented with postmenopausal bleeding is :
D&C is required to rule out endometrial cancer. It is necessary in a woman complaining of menstrual disorder and postmenopausal bleeding Reference : Shaw's Textbook of Gynaecology 16th edition, page no 399.
Pap smear
Fractional curettage
Transvaginal ultrasound
CA-125
Disorders of menstruation