It's normal to feel dizzi due to blood pooling in your legs caused by your uterus compressing your blood vessels ..I assume your hemoglobin Is normal and your cardiac condition is good ..if symptoms repeat then see your gynec and physician once.your bp is normal as of now
Next Steps
take more liquids....elevate foodend while sitting,sleep to left side supported by pillows....avoid sudden standing,
Health Tips
consult physician if symptoms worsen