A pregnancy test stick detects a weak positive, may be pregnant, may also be pre-menstrual changes or ectopic pregnancy and other conditions.
When the pregnancy test stick shows one dark and one light (the control line is clear in color and the test line is lighter in color), it indicates a weak positive, the result is only temporary, indicating a possible pregnancy, which can be rechecked a week later by collecting the first urine in the morning after waking up.
If the test is positive after one week (both lines are clear in color), it means that there is a higher chance of pregnancy. If the retest after one week shows negative (both lines are light or colorless) and continued weak positivity (one dark and one light), then it is not necessarily a pregnancy, but most likely a premenstrual change or an ectopic pregnancy.
The accuracy of pregnancy test results is not 100% and there may be errors. It is recommended to go to the hospital for an HCG (human chorionic gonadotropin) test to determine if you are actually pregnant when a weak positive test occurs.