Hello. In what days of a cycle is better to do or make US? And in what days a beam...

[Light]

Hello.
In what days of a cycle is better to do or make US?
And in what days it is better to make it to look or see an endometriosis?
Thanks

[Anja]

Endometriosis is better it is diagnosed in the extremity or end of a cycle, some days prior to a menses.