Unprotected sex feb 13 & 20. some early signs of pregnancy but still very vague. missed period, i am in birth control. ?

Pregnancy worries?: It can be hard to tell if a woman is pregnant because some of the symptoms seen in early pregnancy can also happen in non-pregnant women. A urine pregnancy test gives a reliable result if done correctly. One can test about 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a period. If having sex, one must be prepared for that rare surprise baby.