Another way people try and prevent pregnancy, but often fail, is by using the rhythm method.
The rhythm, or calendar method, consists of couples abstaining from sex when the woman is in the ‘fertile’ part of her cycle where she is more likely to get pregnant. However, women can get pregnant at any time during their monthly cycle, including during their periods.
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I read the above in some research.
Swali ni. Does it mean that Catholic insistence of ‘natural family planning’ is wrong?
Meanwhile @Liberty explain this to me, where is the Bible ref or doctrinal explanation for the denial to use contraceptives.
The Bible mentions at least one form of contraception specifically and condemns it. Coitus interruptus, was used by Onan to avoid fulfilling his duty according to the ancient Jewish law of fathering children for one’s dead brother. “Judah said to Onan, ‘Go in to your brother’s wife, and perform the duty of a brother-in-law to her, and raise up offspring for your brother.’ But Onan knew that the offspring would not be his; so when he went in to his brother’s wife he spilled the semen on the ground, lest he should give offspring to his brother. And what he did was displeasing in the sight of the Lord, and he slew him also” - Gen. 38:8–10.
The biblical penalty for not giving your brother’s widow children was public humiliation, not death (Deut. 25:7–10). But Onan received death as punishment for his crime. This means his crime was more than simply not fulfilling the duty of a brother-in-law. He lost his life because he violated natural law, as Jewish and Christian commentators have always understood. For this reason, certain forms of contraception have historically been known as “Onanism,” after the man who practiced it, just as homosexuality has historically been known as “Sodomy,” after the men of Sodom, who practiced that vice (cf. Gen. 19).
Contraception was so far outside the biblical mindset and so obviously wrong that it did not need the frequent condemnations other sins did. Scripture condemns the practice when it mentions it. Once a moral principle has been established in the Bible, every possible application of it need not be mentioned. For example, the general principle that theft is wrong was clearly established in Scripture; but there’s no need to provide an exhaustive list of every kind of theft. Similarly, since the principle that contraception is wrong has been established by being condemned when it’s mentioned in the Bible, every particular form of contraception does not need to be dealt with in Scripture in order for us to see that it is condemned.
Few realize that up until 1930, all Protestant denominations agreed with the Catholic Church’s teaching condemning contraception as sinful. At its 1930 Lambeth Conference, the Anglican church, swayed by growing social pressure, announced that contraception would be allowed in some circumstances. Soon the Anglican church completely caved in, allowing contraception across the board. Since then, all other Protestant denominations have followed suit. Today, the Catholic Church alone proclaims the historic Christian position on contraception.