Hi, Thanks for using HCM.
In UPT test false positive results are very uncommon, could be due to improper fallowing of guidelines to perform a test or if you are on HCG
You would have had complete abortion
, so nothing was seen in USG.
Consult your doctor for examination and management.
Hope I answered your question. Feel free to ask me if you have any further queries.
Wish you good health. Take