I'm 33 years old and have mild hydrosalpinx in the left ovary. what are the chances of conceiving naturally?

Probably reduced: "A mild hydrosalpinx" often implies that an infection or an inflammatory process has caused a Fallopian tube to swell and/or to retain some fluid within its lumen. This finding may suggest that the tube is not likely to function normally. "Your chances of conceiving naturally" may be reduced and will depend on the status of the other Fallopian tube also.