Thanks for the query.
It is possibly a miscarriage
levels were 25mIU
-Positive home pregnancy
may not detect very early pregnancy.
So, you observe the bleeding.
If the bleeding stops after few days, no need to worry.
Possibly your periods will regularize soon.
For more details you can ask me through: http://www.healthcaremagic.com/doctors/dr-sree-gouri-sr/63429