Womenshealth.gov gives some tips here to relieve dizziness while pregnant:
1. do not wake up too quickly from the berth or seat.
2. don't stand too long.
3. don't skip meals.
4. Lie in sideways when you take a break.
5. Wear loose clothes.
To be aware of when
pregnant women feel limp, nausea, and dizziness overload during pregnancy, especially when accompanied by blurred vision, immediately visit Your obstetrician.