Thanks for the query.
During surgical abortion
some amount of manipulation at local organs will be done.
So that can lead to pain.
But usually this will subside soon.
As your pain is increasing, better to consult gynecologist again and get examined to find out any possibility of infection.
After examination if needed you can extend your antibiotic course and analgesic
For more details you can ask me through: http://www.healthcaremagic.com/doctors/dr-sree-gouri-sr/63429