Good morning
It could be because of blood loss during miscarriage ( low hb ) or check ur BP once ( low bp)causes dizziness and weakness .
Also it could be ur psychological feeling ... u must be still thinking about ur loss. Stop worrying about Wat happened,u should be a strong women now and eat healthy and plan for next pregnancy ( but give some time min 6 months).
Next Steps
Take iron and
calcium tablets for one month.
Health Tips
Eat healthy food , small portions every 4 hours, plenty of water .. stay relaxed and strong .