What Does The HSG Test Result Which Shows Normal Sized Uterine Cavity Indicate?

I have 3years old girl.I did HSG and these my result please how soon can I get pregnant and what can I do to get rid of these and what's the meaning of result, A normal sized uterine cavity is demonstrated. there is free peritoneal spill of contrast media on the right. No peritoneal spill is identified on the left. The cervical canal is not outlined.