No. Cryosurgery probably does not affect the integrity of the cervix. Certain other procedures for cervical dysplasia such as cone biopsies or leep may rarely compromise the integrity of the cervix. Previous low grade dysplasia should not affect a pregnancy. High grade dysplasia in pregnancy should be evaluated with colposcopy as early as possible in the pregnancy.
No. Properly treated cervical dysplasia will not affect your pregnancy. Your pap while pregnant needs to be checked occasionally. Cryosurgery should have little effect on your cervix in pregnancy, although your provider may recommend ultrasound to measure the cervical length.