The S.L.E.D. Test
S.L.E.D. TEST
The Definitive Case for Life
A Logical Defense of the Unborn's Humanity
Four Differences, Zero Moral Weight
The S.L.E.D. acronym demonstrates that the only differences between a fetus and a born human being are physical, not essential. If these traits don't disqualify a person's right to life after birth, they cannot justify ending a life before birth.
Does size equal value?
A pre-born child is smaller than a newborn, and a newborn is smaller than an adult. However, we don't believe that a 6-foot-tall man is "more human" or has more rights than a 5-foot-tall woman. Size is a physical measurement, not a moral one.
Competence vs. Personhood
A 2-year-old doesn't have the cognitive development of a 20-year-old, yet we recognize they are equally human. Development—be it physical or intellectual—is a spectrum we all occupy, not a qualification for human rights.
Where you are, not who you are
An 8-inch journey down the birth canal does not magically transform a non-human into a human. Whether a child is in the womb, a hospital bassinet, or a crib, their nature remains the same. Location does not grant value.
The need for others
The unborn is dependent on the mother for life-support, just as a patient on a ventilator or a person with a pacemaker is dependent on technology. If dependency justifies killing, then newborns—who are 100% dependent on others—would have no rights.
Tactical Deployment
The cornerstone of pro-life logic. If an argument for abortion can also be applied to a toddler (e.g., "it's not self-aware" or "it's a burden"), then the argument is invalid.
When opponents focus on "choice" or "privacy," use S.L.E.D. to pull the conversation back to the nature of the unborn. If they are human, the choice to end their life cannot be a moral right.
Combine S.L.E.D. with the fact that living things produce living things of their own kind. From conception, the unborn is human, alive, and whole.
"If the unborn is a human being, can you name any reason—other than the four in S.L.E.D.—that would justify killing them?"
Developed by: Scott Klusendorf & Stephen Schwarz
Equip Your Community
Ready to become an ambassador for the unborn? Join our Right to Life Workshops for adult training, or register for Life Defenders Summer Camp (High School through College) to learn how to defend the case for life with grace and logic.
