Q. A friend was supposed to take a second depo shot on 19th of July, but missed it and had unprotected sex on 4thof September and took p2 pills, later had sex on 9th of September and took another p2 pills, she then later put a depo injection on 10th and did sex on 17th and since has stomach cramping, nauseous and severe mood swings, could she be pregnant?