Referring to a human being as a fetus does not make him or her a separate or less human entity any more than referring to a human being as a toddler would make that human being less human. You are simply referring to the stages in the life of a growing, developing human being. Zygote. Embryo. Fetus. Infant. Toddler. Teen. Adult. . . DUH! Descriptive words cannot redefine scientific facts.