Hi! Scott, thank you for your comment
Genesis
"Be fruitful and multiply,
Psalm 127:3
“Behold, children are a gift of the LORD, The fruit of the womb is a reward”.

Onan wasted his seed on the ground in a Self-Serving act (Sinful,) what he did was displeasing in the sight of the LORD; so He took his life, as he had taken Er, Judah's firstborn who was evil in the sight of the LORD also.
 His sin became known as "Onanism,"
Contraception was so far outside the biblical mind-set and so obviously wrong that it did not need the frequent condemnations other sins did, as the gift of new life was seen as a blessing (Approval ) from God.

We see this in the statement by Jesus below, as it amplifies the mind-set of some of those who now teach in His name in duplicity “Blessed are the barren” In Approval of those who while partaking with our Creator in His Plan for new life, commit a deliberate act, of denying another the possibility of life.
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