Weird discharge

I got this weird discharge that I’ve never seen before it was clear and stretchy with a tinge of blood. Like a streak. It was 4-5 days after my period (started -June 6 ended the 11th) and every since I’ve been feeling funny. I had sex with my SO on the second day of my period but we used a condom and I’m starting to think the condom may have broken. I haven’t bern able to eat, my body aches, I’ve been nauseous and craving weird things. My abuelita told me you can still get pregnant even on your period. I’ve been pregnant before but I didn’t have these symptoms with my son. So I’m not sure what’s going on with me. My friend thinks I may be pregnant but I don’t know. I’m scared to find out. But, what do you guys think this may be?