Scared

Hey, I need advice before I go to the eroom! I’ve been trying to conceive but really just stopped thinking about it lately because when I get my hopes up it turns out negative. January I had my cycle on the 16-20 and then on the 30th-31st I started spotting, slight cramps but nothing too severe where I’m crying or doubled over. This late night at 2 am I head to the restroom and I’m spotting but this time it’s brown.....what could it be? I’ve been thinking it’s stress or due to my hormones acting crazy.