Go back to the doctor for a second opinion. Noone here can help much more than that. Also, to help bacteria build up in your throat, you can gargle salt water or cayane pepper water. When you are pregnant your immune system is weaker also!
I saw the doc yestrday only ...bt its not getting cured ....do am i got strep throat .....plss help me ...
I suggest you see your doctor as soon as you can.