Could I be pregnant

I started bleeding two days before my period was suppose to cold I wasn’t bleeding heavy I could go a whole day without changing my pad, that lasted two days and I started spotting for for two days after that I took a test Friday but it was negative I’ve been having headaches sore boobs and feeling sick stomach feeling sore like I worked out but I haven’t done any working out Just wondering could I be pregnant or was it just my period?