Read the instructions on the test strip package first
Check the expiration date before use
Collect urine in a clean, dry container if required
Remove the strip from its wrapper
Hold the strip by the end marked for handling
Dip the test end into the urine up to the indicated line
Keep it in the urine for the time specified in the instructions
Remove the strip and place it on a flat, dry surface
Wait the recommended amount of time before reading the result
Read the result within the time window given in the instructions
Check the control line to confirm the test worked
Follow the package guide to interpret the result lines
Repeat the test after a few days if the result is unclear or negative and your period is still late
Consult a healthcare professional if needed