How to use betadine solution as a s douche?

Mostly, none is best. For some time, most regular douching is not recommended. Here's a link: http://womenshealth.Gov/publications/our-publications/fact-sheet/douching.Cfm ask your doctor if unsure. Best!
Don't recommend. The American College of Obstetricians & Gynecologists recommends AGAINST Douching.