Contraception

The Catholic claim

Contraception is intrinsically wrong because it deliberately rejects the procreative meaning of the marital act. Natural family planning may space births for just reasons by respecting fertility's design rather than sterilizing the act.

Biblical evidence

Scripture treats children as blessing and condemns acts that frustrate life (Onan's sin is read in tradition with this moral concern). The one-flesh union is ordered to fruitfulness; love and life belong together.

Genesis 1:28
“God blessed them. God said to them, “Be fruitful, multiply, fill the earth, and subdue it. Have dominion over the fish of the sea,”
Genesis 38:9-10
“Onan knew that the seed wouldn’t be his; and when he went in to his brother’s wife, he spilled it on the ground,”
Psalm 127:3-5
“Behold, children are a heritage of Yahweh. The fruit of the womb is his reward. As arrows in the hand of a mighty man, so are the children of youth.”
Matthew 19:4-6
“He answered, “Haven’t you read that he who made them from the beginning made them male and female, and said,”
1 Corinthians 6:19-20
“Or don’t you know that your body is a temple of the Holy Spirit which is in you, which you have from God? You are not your own,”

Tradition and magisterium

Humanae Vitae (1968) reaffirms the constant teaching against contraception. The Catechism distinguishes contraception from legitimate regulation of births by natural means for serious reasons.

The teaching is hard in a contraceptive culture—and prophetic about what happens when sex is severed from commitment and life.

History and development

Christian tradition uniformly rejected contraception until twentieth-century revisions outside Catholicism. 1930 Lambeth and later Protestant shifts highlight Catholic continuity.

The Letter of Barnabas
Letter of Barnabas 10:8 · A.D. 74
“Moreover, he [Moses] has rightly detested the weasel [Lev. 11:29]. For he means, ‘Thou shall not be like to those whom we hear of as committing wickedness with the mouth with the body through uncleanness [orally consummated sex]; nor shall thou be joined to those impure women who commit iniquity with the mouth with the body through uncleanness’”
Clement of Alexandria
The Instructor of Children 2:10:91:2 · A.D. 191
“Because of its divine institution for the propagation of man, the seed is not to be vainly ejaculated, nor is it to be damaged, nor is it to be wasted”
Hippolytus
Refutation of All Heresies 9:12 · A.D. 225
“[Christian women with male concubines], on account of their prominent ancestry and great property, the so-called faithful want no children from slaves or lowborn commoners, [so] they use drugs of sterility or bind themselves tightly in order to expel a fetus which has already been engendered”
Lactantius
Divine Institutes 6:20 · A.D. 307
“[Some] complain of the scantiness of their means, and allege that they have not enough for bringing up more children, as though, in truth, their means were in [their] power . . . or God did not daily make the rich poor and the poor rich. Wherefore, if any one on any account of poverty shall be unable to bring up children, it is better to abstain from relations with his wife”
Council of Nicaea I
Canon 1 · A.D. 325
“[I]f anyone in sound health has castrated himself, it behooves that such a one, if enrolled among the clergy, should cease [from his ministry], and that from henceforth no such person should be promoted. But, as it is evident that this is said of those who willfully do the thing and presume to castrate themselves, so if any have been made eunuchs by barbarians, or by their masters, and should otherwise be found worthy, such men this canon admits to the clergy”

Mastery and practice

To master this topic, a student should be able to teach it simply, answer the main objections without caricature, and connect it to the wider map of Catholic faith.

Evidence of mastery: State the unitive-procreative teaching; Distinguish NFP from contraception; Explain Humanae Vitae without contempt.

Could the learner present this teaching as love's logic, not mere rule?

State the unitive-procreative teaching
Distinguish NFP from contraception
Explain Humanae Vitae without contempt

Common objections

NFP is just Catholic contraception.

Contraception sterilizes a chosen sexual act. NFP abstains during fertile times—accepting the act’s meaning when chosen, and using knowledge of the body rather than breaking the act. Timing and sterilization are not the same moral object.

Overpopulation requires contraception.

Demographic realities are complex; many places now face decline, not simple overcrowding. Moral limits remain even when social problems are real. A crisis does not turn every means into a good means.

This teaching is ignored, so it must be wrong.

Widespread dissent does not rewrite moral truth. Many rejected teachings were later recognized as prophetic once consequences became clear. Popularity is a measure of fashion, not a criterion of right and wrong.

Sources

Citations for this article. Browse the full bibliography to see every place each source is used across the library.

Catechism

CCC 2366

Fecundity as an end of marriage

Fecundity is a gift, an end of marriage, for conjugal love naturally tends to be fruitful. A child does not come from outside as something added on to the mutual love of the spouses, but springs from the very heart of that mutual giving,…

CCC 2366. Openness to life

Open source Also in bibliography

Catechism

CCC 2370

Intrinsically evil character of contraception

Periodic continence, that is, the methods of birth regulation based on self-observation and the use of infertile periods, is in conformity with the objective criteria of morality. These methods respect the bodies of the spouses,…

CCC 2370. Teaching

Open source Also in bibliography

Catechism

CCC 2371

Public authorities and responsible parenthood

"Let all be convinced that human life and the duty of transmitting it are not limited by the horizons of this life only: their true evaluation and full significance can be understood only in reference to man's eternal destiny." (1703)

CCC 2371. Society

Open source Also in bibliography

Scripture