Gender Roles are Negotiable. Sometimes the woman wants to pay for a night out -- and sometimes it's the guy who stays home to raise the children. This means your old fashioned dating rules will have to be a little more flexible nowadays... and that is a wonderful thing.
Roughly: HCG drops at roughly the same rate it rises when a pregnancy fails, so an hCG of 400 can easily take 30 days to drop down to 10 or less. If you are concerned you should ask your doctor (or a doctor) to check a quant hCG again. ...
In general, hCG will return to zero in women who miscarried very early in a pregnancy much sooner than someone who miscarried later in a pregnancy. The average time that it can take for hCG to disappear completely is between nine and 35 days, according to the American Association for Clinical Chemistry. For most women, hCG levels will probably fall to zero within about two weeks.