If dr suspect that i have endometriosis (irregular periods, sharp pain with bowel movement & bladder,camping, back pain), is laparoscopy recommended?

Ask the doc: Endometriosis was a known clinical condition for decades before the laparoscope was used to confirm it. A doc with experience may choose to suspect & initiate treatment prior to any further study. Further studies could be done later if needed. Any such procedure has inherent risk & avoiding it unless needed could be a good thing.