It is done occasionally to enlarge the vaginal opening so that a baby can be more easily delivered.

In addition, each had a large vaginal opening under the tail, just like a female horse.

They are the only mammalian species to not have a vaginal opening.

"But just having a baby changes the sexual experience, so it may not have to do with the changes in the vaginal opening."

This is located below the clitoris and above the vaginal opening.

I had to make a small incision to widen the first inch or so of the vaginal opening.

It is the only mammalian species to lack an external vaginal opening.

When a fetus is developing, there is no vaginal opening.

The baby's head was clearly pressing against the vaginal opening.