Could i be pregnant? can someone tell me..c:?

i had sex during my second day of period last Saturday June 24..we did not use condom but we used widrawal.afterwards..im sure he did not ***, the following day i felt my uterus is moving.. i had cramps..in the back and my uterus.. then yesterday we did it again without using condom.. only widrawal method.. after having sex there is a small 2 drops of brownish discharges... then today i feel peeing always.. am i pregnant?