Thanks for the query.
The chances of pregnancy
are less in your case because:
Urine tests sometimes can give false positive results.
Endometrial thickness is less.
Usually just before periods or in early pregnancy the endometrial thickness of around 8 mm to 1 cm is expected.
But there are exception to it also.
so you wait for one more week by that time you will get periods.
If not with your doctor's advice you can go for withdrawal bleeding.