When is the hysteroscopy time?

Hysteroscopy is generally in the first 3 days after menstruation clean, because this time the endometrium has not grown up, the endometrium is relatively thin, so hysteroscopy is easy to do, because if the endometrium grows thicker, it is easy to cause the lens of hysteroscopy to be blocked by the endometrium, resulting in unclear vision. Therefore, hysteroscopy must be done before a B-ultrasound, look at the thickness of the endometrium, generally