Human Embryonic Stem Cell Research & Cloning

“Since it must be treated from conception as a person, the embryo must be defended in its integrity, cared for, and healed, as far as possible, like any other human being.” (CCC, No. 2274)

“(Human Reproductive) Cloning, like in vitro fertilization, participates in the basic evil of moving human procreation out of the setting of committed marital intimacy and into the laboratory. Human procreation is not meant to occur in that setting, because it is inherently dehumanizing to bring a new human being into the world through means that replace the marital act. Each of us has a right to be brought into the world as the fruit of marital love, rather than as the product of technical domination and manufacturing protocols…

“If human reproductive cloning (i.e., the bringing to birth of a new child who is an identical twin to somebody else) is wrong, then therapeutic cloning is worse—it is the creation of that same identical twin for the premeditated purpose of ending his life to harvest his tissues.”
[Stem Cell Research And Cloning, Rev. Tadeusz Pacholczyk, National Catholic Bioethics Center]


Catechism of the Catholic Church
# 2274, # 2275

Stem Cell Research and Cloning
Rev. Tadeusz Pacholczyk,Ph.D., Director of Education,
National Catholic Bioethics Center

Donum Vitae (The Gift of Life): Instruction on Respect for Human Life (1987)
Sacred Congregation for the Doctrine of the Faith

Address of His Holiness Benedict XVI to the participants in the symposium on the theme:
“Stem Cells: What Future for Therapy?” (2006)
Pontifical Council for Life

Declaration on the production and the scientific and therapeutic use of human embryonic stem cells (2000)
Pontifical Academy for Life

The Ethics of Stem Cell Research
By Rev. Tadeusz Pacholczyk, Ph.D, Director of Education, National Catholic Bioethics Center

Address to International Congress on Transplants (including comments on cloning)(2000)
Pope John Paul II

Other Documents on Stem Cell Research on the USCCB site

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