Can I be pregnant?

Ok so I’ve been having unprotected sex with my current boyfriend. I currently have a iud in place and have been having what I call is a period monthly since last July ( one month after having it inserted) but I haven’t had my period since December. Which would mean I’m almost about 3 months late 🤦🏽‍♀️ . Is there a way I can still be pregnant . I’ve been spotting pinkish and sometime light brown when I wipe .