Incomplete Miscarriage?

Posted By DAWN on March 14, 1999 at 19:28:52:







How can you tell if a miscarriage was complete?  
After having the flu, I started having gastrointestinal pains and after my period was a week late, started spotting.
I went to the doctor and was advised that I was appx. 5 weeks pregnant and threatening to miscarry or possibly ectopic.  After this initial examination, I was sent for blood tests every to check the pregnancy levels.  The levels dropped and the 3rd test was negative.  
In the meantime, I continued to cramp and lightly spot for almost 10 days.  
I normally have a heavy period.  The spotting I experienced was very slight and I did not pass clots.  I advised the nurse of this but was not advised to return for a checkup or D&C.
A week after the spotting stopped, I developed a severe case of hives and there has been no cause for these found to date (no previous known allergies, no use of new products or medications, etc.).  Since infection can be a cause, I am concerned that this may have something to do with the miscarriage.  
Is it possible to tell that a miscarriage was completed just with blood test results?
Is it standard to have a follow up exam after a miscarriage?
What should I do now?   Please advise, thanks.