Hi Im Renz. Im 19 Yrs Old. I Just Want

Hi im renz. Im 19 yrs old. I just want to ask if i am pregnant? I have mens last december and this january i dont have yet, my menstrual cycle is irregular since then. And i stopped using IUD last november. i used it for a year, i have a one child i born her 2014 of july. January firstweek i and my boyfriend had sex. Please help me to find out.