 [ Symptoms ] i had a stillborn baby on 15th june 2013 after 41 weeks of preganancy when can i try to conceive again [ Disease ] yes dehydration and hypovolemic shock can cause fainting but first of all make sure that you are dehydrated in case if you still get recurring episodes of the same problem then you should consult a neurophysician and get a proper clinical examination done along with investigations like ct scan or mri to rule out the cause and treatment can be done accordingly hope this helps regards