9 weeks and bleeding

Lourdes

Ok so I’m 9 weeks pregnant 2 nights ago had a really bad pain woke up to pee and wipe some pink blood nothing big I know it’s normal went back to bed then woke up again now it was brown with goo again it’s brown but then I wipe and had a little blood clot so I freaked out went to the er baby still had a heart beat got my shot since I’m rh negative.. has this happened to anyone before and had a beautiful healthy baby . I hate the er cause everything is always a threaten miscarriage.. I just don’t get it everything look great blood work so like I’m confused.. Not my first pregnancy and never had this happened before! Plz help if you had this experience. Thank you