1) If you are pregnant, you can expedite your case. You can expedite your case by calling USCIS customer service, and letting them you would like to expedite your case (please see link below). Then, you will need to submit proof of pregnancy to the service center.
k1 visa and pregnant
in K-1 Fiance(e) Visa Case Filing and Progress Reports
Posted
Options:
1) If you are pregnant, you can expedite your case. You can expedite your case by calling USCIS customer service, and letting them you would like to expedite your case (please see link below). Then, you will need to submit proof of pregnancy to the service center.
USCIS Customer Service: 1-800-375-5283
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=16a6b1be1ce85210VgnVCM100000082ca60aRCRD&vgnextchannel=db029c7755cb9010VgnVCM10000045f3d6a1RCRD
2) Also, you can write to your US senator and representative so that they can help you with you case.
3) Enter your dates in the VJ timeline sections, and it will estimate when your case will adjudicated.
Hope this helps and everything works out!