<unk>  is a procedure in which a tissue sample is taken from the lining of the uterus (endometrium), and is checked under a microscope for any abnormal cells or signs of cancer.
Endometrial biopsy
Hysterosalpingography
Hysteroscopy
Frozen section procedure
Colposcopy
Endometrial hyperplasia ultrasound
Pap smear
Obstetric ultrasonography