Yes, a
beta hCG of 187.62 mIU/mL along with a positive urine kit confirms pregnancy. This is still quite early, likely around 4 to 5 weeks, so a scan won't show much yet.
Next Steps
Keep taking your
thyroid medicine and folic acid as prescribed, since both matter even more now. A repeat
beta hCG in 48 hours should roughly double if things are progressing well, and book your first obstetrician visit soon to confirm where the pregnancy is and plan early care.
Health Tips
Go in sooner if you get one-sided pain, dizziness or bleeding, since these need checking before your scan date.