1.2 cm thick is normal?

First of all, the thickness of the endometrium is changing with the menstrual cycle, and is not fixed, if the thickness of the endometrium before menstruation is 1.2cm, this is a normal phenomenon, proving that menstruation is about to come. However, if the endometrial thickness is 1.2cm after the end of menstruation or during ovulation, this is abnormal, which mostly represents endometrial thickening, and symptomatic treatment is needed in time, such as diagnostic curettage under hysteroscopy.