Happen to anyone else?

I’m currently 15+4. I noticed that when I got home a little bit ago, I went to the bathroom and when I wiped, there was some discharge and it was long, clear and a streak of blood in it. It happened again just a couple minutes ago. I had some spotting a few times up until I was 13 weeks. It’s been almost 2 weeks since I haven’t seen any. I’ve had an US done at 13 weeks and everything looked ok. But why is this happening again? I’m so so so nervous I’m going to lose the baby.

***also, it’s the weekend and I can’t get ahold of my doctor until Monday. I’m just asking if anyone else is dealing with this***