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Joseph wrote:

Hi, guys —

I am a final year medical student, and am constantly faced with questions regarding the immorality of (IVF) In-Vitro Fertilization. My current understanding is that it breaks the natural law of union and procreation and hence undermines:

  • the sanctity of Marriage, and
  • the strength of the family relationship.
  • Does this same argument apply for sterile persons?
  • Say with Kartagener's syndrome, where the male is simply unable to provide the cilia to transport the sperm along the ducts?
  • Where are the best sources for associated abuses or problems with IVF?

Many thanks,


  { Does the immorality of In-Vitro Fertilization also apply to sterile people and what good resources? }

Steve Ray replied:

Dear Joseph,

The main argument against in-vitro fertilization is not that it breaks the natural union (although that is one reason against it) but because when the sperm and egg unite outside the womb, there is a high mortality rate among the fertilized ovums.

Only some of the eggs survive long enough to be implanted in the womb, but even then it is a risky proposition. Regarding the ones that do not survive before they are implanted, these fertilized ovums were at one time human beings. Their death, caused by the fact that they are outside the normal environment of the womb, is thus equivalent to murder.

The philosophy of allowing some to die so that others may live is not the prerogative of the laboratory technician. Only God has that power.


Richard replied:

Hi, Joseph —

You said you were interested in good sources. As always, I'd recommend:

My understanding is that IVF remains immoral, even in the case you described, because the new life is being conceived apart from a normal marital union.

— RC

John replied:

Hi, Joe —

There is a bigger problem with IVF. Many eggs are fertilized outside the womb and only one or two are chosen to be implanted in the woman. The rest are frozen.

This violates the dignity of human life. These are people we are freezing.

In Him,

John C. DiMascio

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