What is going on ??? PLZ comment scared 😟

Laura • I`m 28yrs old , I`m a stepmom to an amazing 4yr old boy Levi. Just started BC pill 1st time ever to get my hormones and body evened out.
Let me start with saying this, I've never experienced what I am going thru before ever. I've been actively ttc for 8-9months (I've lost count) this is also first month using fertilaid I've used for exactly a month now and this month also used preseed. I'm about a week or so past when I believe i ovulated... I've been spotting for 4-5days on and off it hasn't happened everyday but 1st day it was slightly pink and after until last night was a brownish tint. There hasn't been much at all only when I wipe I haven't even had to wear a liner or anything... Yesterday, last night, and this morning I've had cramping in lower abdominal region... Tested yesterday and bfn. I'm out of tests til I get paid tomorrow... Ladies please anyone experience this before?? I have never and I'm freaking out... Please comment I need advice