No. It's a sign of allergies or being sick.
If you're wondering what the signs of pregnancy are, go to www.webmd.com and do a search for signs of pregnancy.
Take it to the vet as there is a chance it could have cat flu, which can be fatal in kittens. Other respiratory infections could also be to blame, or the kitten could be suffering from allergies....
It could be an allergy or reaction to something you ingested, it could just be acne or it could even be a sign of something more significant as an infection or disease. If it persists or reoccurs and...