However, I think ATV (ass to vagina) really needs to be a true no-no, in everyone's book as the vagina (and right there urethra) simply are not designed to be exposed to the anal pathogens. From a woman "wiping the wrong way", to patients suffering "vaginal/anal fistulas" with cross exposure, the risk of infections have been clearly established and it's not a good thing. Thus, any toy that touches, or goes into the anus should be sterilized (yes, not just "cleaned", before going vaginally). Fingers should be very well washed before going from one place to the other.
Having said what I think, though, we know it does happen. Even my own husband, back in his college dating days, had a girlfriend who was a true "anal fanatic". She was a "born again virgin" (she had vaginal sex in the past, with a prior boyfriend, but was now "saving it for marriage"...and also was using anal only as her birth control method). Anyway, she used a lot of lube for each passion session and once he "simply slipped" and it was only her squeal and laugh that told him he had "missed the right hole". She said "oh don't worry about it", and he continued with their anal play, however he worried, even then about both her getting pregnant or an infection, which thankfully she got neither. Two more times during their lust play did he "visit" her vagina by accident. Yes, it can happen. Thankfully, she had no issue.
Also, we still see deliberate (and in some times frequent) ATV activity in certain porn films. Do these woman take any pre or post activity infection precautions? Do they ever have problems?
So, now I am asking the EF family here, be honest, have you ever had direct, immediate Ass to Vagina penetration (toy, penis, finger...whatever)? Did it create any vaginal issues? Did you do anything immediately to prevent a problem (like take an antibiotic or use a vaginal cream)?
Dare I ask, does anyone do this as part of their regular sex life activity?
I hope no one will "judge" anyone's answers, "free will", "informed choices", etc. I am seriously curious as to how common (if at all) this activity might be and what effects really happen, when it does.