Embolism is only caused by the nitrogen. The blood readily intergrates the oxygen and ozone into it's system. That's what blood does. It carries oxygen. I'm a man, but the reports I hear from all over about Vaginal insufflation as it relates to Candida, Yeast infections. Cervical Cancer, Herpes is astounding. Just make sure that the ozone is properly humidified. Supplement with H202 therapy. as well.;