pregnancy test question / anxiety

about a month ago was the first time i slept with a guy. the week of my period i only had spotting but a good amount of cramps and nausea, along with not feeling hungry at all. today marked 1 full week of no period / light spotting and the test came back negative, no faint 2nd line or anything.

i did however accidentally place the test face/screen down because of nerves. does this mean i screwed up the results?

to clarify i am also on oral birth control and a condom was used but i’ve still heard of pregnancy occurring. sorry if this is dumb i’m just a scared college girl. should the negative be accurate or should i retest?