Welcome to HCM
You have only one reading and detected to have slightly high BP along with Pregnancy
This is Gestation Hypertension
but take less salt and monitor BP if it is persistantly high medicines to control BP may be required.
in upper limb may be in the morning due to posture during sleep and with movement it will go away there should not be any paralysis
Even taking blood will not cause paralysis.
Please check your blood pressure once again.
Please do not worry and take care of yourself.
Please take care