 [ Symptoms ] could i be preg or is it something more serious  overly tired moodiness cramps nausea and heartburn last men nov 10th last time of sex nov 24 spotting on dec 7 still no period this month and negative on a home preg test on dec 8th when should i get a blood test and could this be something more serious i have had a history of ovarian cysts a little over a year ago have not had any rupture since then i also have not been to my obgyn since then [ Disease ] watch for signs of food poisoning including abdominal pain vomiting fever and diarrhea if those occur call or visit your healthcare provider and explain what happened for more on food poisoning signs and symptoms see this article