Cycle

Haven't Been On My Cycle Since April 27 Haven't Had Any Symptoms Of Period. I've Had Pregnancy Symptoms Such Nausea, Headaches, Light Cramps On My Lower Left Side Of My Stomach, Bumps On Areola Is Slightly Larger & Ive Had Pregnant Test Done Urine & Blood They've Came Back Negative I'm Suppose To Come On The 17 Should Get Ultrasound Done?