Just another theory, some forms of depression can heighten the pain senses. Are you on any anti-depressants? Some can help with these symptoms maybe talk to your ob or pcp about this and what is safe during pregnancy. At this point the ER isn't able to do much to help you and I really don't think it's for lack of wanting, I think you are running the risk of affecting your baby from all these meds.
Currently a SAHM trying to be the best wife to my amazing hubby, and best mommy to my sweet girls that I can be