Took this on walmart equate digital which read neg... 
DPO: 14; FMU: No; CD: 28
DPO: n/a ; FMU: n/a ; CD: n/a
DPO: 14; FMU: No; CD: 30
DPO: n/a ; FMU: No; CD: n/a
DPO: 16; FMU: No; CD: 27 Result: False Positive;
Just using app 
DPO: 6; FMU: n/a ; CD: n/a
DPO: 6; FMU: No; CD: 27 Result: Pregnant;