hello im 20 years old and i kind of hd sex wit my boyfriend on 11th of december but he did not at all ejaculate in me. but i still took an ipill. the same thing happened a week later. i was under a lot of stress during this period and did not sleep well. my periods never came but after a week i had light vaginal bleeding. i took 3 pregnancy tests one before the bleeding, one during and one week after the bleeding. they all cme back negative and it has been almost 3 weeks since the sex happened. i feel a little nautious but am under stress still. pls tell me if im pregnant ?? cause i dont want a child.