Ok... maybe not 3mm maybe the largest is 2 mm but some are small like 1 mm........
These skin colored swellings can be due to an ingrown hair (less likely), cyst, lipoma (fatty deposits) ,fibroma (fibrous tissue deposits) or viral warts (ruled out by swab test).
An examination by a gynecologist will be the best as it is only after an examination that it will become clear what the swelling that you have noticed is due to. A biopsy skin is the best test to confirm the diagnosis.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your dermatologist. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.