Record any abnormal visual findings. Soak a clean swab in 3% to 5% acetic acid and apply to the cervix liberally. Wait at least 1 full minute for the acetic acid to be absorbed (use a watch).

In fact, acetic acid is in all types of vinegar ... Because not only is there little evidence to support most of the uses for apple cider vinegar, but some of them are straight-up bad for you.

In a 1958 patent to Celanese (New York City), inventor Arthur W. Schnizer reported the reaction of acetaldehyde and acetic anhydride with a benzenesulfonic acid catalyst to produce vinyl acetate with ...