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. ...
It suppresses the production of other hormones that stimulate ovulation so your doctor may want to monitor your HCG levels to ensure they drop to zero before you commence trying to conceive again. Following a miscarriage, HCG usually diminishes entirely within about two weeks.