Besides of urine strip test or blood test, some women try to do some other home based tests. Among them one of the tests that you can do at home is sugar test. This was a common test done at old times when the urine strips or blood test was not available. It is also used in some countries where the urine test strips are not available. Some people may consider this test at home as natural method for pregnancy test.
Whatever test you do, it mainly depends on the presence of a hormone in the urine. Test result comes on the reaction with this hormone.