Sounds possible, yeah.

My symptoms were very painful periods, very heavy bleeding (was going through a maxi-pad every half hour), lightning rectal pain before and during my period and loose bowels during my period, achey back and thighs, and high temperatures.

When I had my laparoscopy my FS found endometriosis on the inside and outside of my uterus and around parts of my bowel - which explained the rectal pain and loose bowels.

Definitely tell your Dr what you are experiencing and if you are fobbed off, go and see another Dr. Although, if you are going to see a specialist then I suspect that he/she will take your concerns seriously.

Good luck and let us know how you go.
xx