Yes I have heard that an abnormal result can be followed by a normal one. There is a bit of info on Nursing in Practice which I have reproduced below, hope it provides some reassurance for you.
"Colposcopy assessment, management and follow up
Colposcopy examination is done to have a closer look at the cervix and detect the area of abnormality on the cervix that is causing the abnormal smear. CIN is not visible to the naked eye. Most women will be seen in colposcopy within eight weeks of referral.
If on examination an area of abnormality is seen on the cervix a diagnostic biopsy is usually taken. In most cases colposcopy examination in women with low grade smears is normal or confirms CIN 1. In a small number of cases a higher grade of abnormality is found and an excisional biopsy is recommended to remove the area of abnormality. In 2012-2013 2.6% of women referred to colposcopy with low grade abnormalities had an excisional treatment. Colposcopy treatment with an excisional biopsy is often referred to as a large loop excision of the transformation zone (LLETZ).9
Women with normal colposcopy and no evidence of CIN are discharged to normal recall (regular three yearly smears). Those who had evidence of CIN (with or without biopsy) are recommended to have a repeat smear in 12 months. Depending on local guidelines this may be with colposcopy or with the woman’s general practitioner (GP). If follow up smear is positive for HPV they will be referred again for colposcopy. Women who had a higher grade of abnormality and excisional treatment have a follow up smear and repeat HPV test (test of cure), and a colposcopy examination in six months."
