Final answer:
Toxoplasmosis is the protozoan disease that could provoke fetal death. It can be prevented by avoiding undercooked meat and contact with cat feces.
Step-by-step explanation:
The protozoan disease that could provoke fetal death is Toxoplasmosis. Toxoplasmosis is a widespread protozoal infection that can cause serious infections in developing fetuses. It is preventable by avoiding undercooked meat and contact with cat feces.