That can happen because of endometriosis. Some people have endo or IBS and get misdiagnosed with the other, and some have both...Definitely mention it to your doc on your next appt, but you probably don't need to make a special appt about it unless it gets worse or more concerning.As for your discharge... are you using condoms? If not, you will have more discharge because of the ejaculate that's inside you. If you are using condoms, or doing fun things that don't involve him coming inside you, you still might have some extra discharge from the extra lubricating fluids your body produced.