pregnant maybe?

I've been sick and my boobs have been hurting for a few months on and off after I got off the depo shot but now my boobs are really sore and are getting bigger and my hips are getting wider and have been having morning sickness my period is suppose to start tomorrow could I be pregnant I've taken tests before and they have been negative took one last week cause of me being sick in the mornings but I didn't see a positive when should I test again and does it sound like I'm pregnant?