The decision can be hard for moderate cervical dysplasia, because majority of cases will resolve itself, but some will go on to develop cervical cancer.
Of course the surgery will protect you most from cervical cancer, but there's a risk for the outcome of future pregnancies, including miscarriages and premature deliveries.
Now, scientists in University of London, have found that the S5 DNA methylation test is the best predictor of whether moderate cervical disease will progress to CIN3. For most of women, active surveillance is enough. For some of them, surgical intervention is necessary.