Abstinence from sexual activity is okay.
Another site contains a photo sequence of.
Most undergo the surgery in their teens shortly after the onset of puberty, with results as seen in photo below.
"I imagine that is evidence that people at least like sex and even if they don't they engage in it as a biological imperative.
Although seemingly a strange place to conduct research studies on women, this "sex-friendly" site in the Castro Area was a good place for accommodating a wide range of research subjects and control subjects, during daytime "off-hours" at the club.
Therefore the outer labia are pressed together, and the inner details of her genitalia are not visible.