Confused please help

Had period 5/23 to 5/28 fertile window started 6/3 had sex many times after 5/28 spotted 6/3 6/4 cm went from watery to creamy white pretty heavy no odor. No pains. Sick to stomach for the last 4 days off and on. Headache and extremely hungry. Period due in 5 days. Am I coming down with a cold or could I be pregnant? Has anyone else had this with symptoms such as mine?? Oh and no sign of period yet TIA