Thanks for the query.
Sometimes bowel sounds can be interpreted as baby kicks.
As all the doctors after examination told that you are not pregnant, you have to believe it.
You may be having a feeling of spurious pregnancy
Better to go for councilling once.
You can take symptomatic treatment for pain.
For more details you can ask me through: http://www.healthcaremagic.com/doctors/dr-sree-gouri-sr/63429