Answer pregnancy test strip

Back story. Super faint positive day before af suppose to show. Saturday had spotting, sunday a light flow, monday light, tuesday, wednesday, and thursday spotting. Figured it was a chemical. Still having nausea, fatigue, and headaches. Went ahead and got answer ovulation kit with pregnancy test strip. Took opk and hpt. And i swear there is a line on both. Should i test again with a first response? What would be the likelihood of still being pregnant after a light flow?