In a way, yes; in a way, no.
If there is no conception, there is no homicide, which, if deliberate, is a well-defined sin.
James 4:17 says,
"Anyone, then, who knows the good he ought to do and doesn't do it, sins."
Quiverfull is clearly a Biblical ideal, but not everybody has a revelation of that. Per that scripture, only the ones who DO have such a revelation are obligated to give it serious consideration.
We live in a fallen world with bodies that are subject to infirmity due to the curse of aging. It may be medically necessary to stop. This does not violate the above, at all.
Also, some may waver. This is our walk.
Php. 2:12, 13 says,
"Therefore, my dear friends, as you have always obeyed--not only in my presence, but now much more in my absence--continue to work out your salvation with fear and trembling, for it is God who works in you to will and to act according to his good purpose."
There is a type of sin that doesn't lead to death, but IMO leads to less-than-ideal outcomes.
1John 5:16, 17 says,
"If anyone sees his brother commit a sin that does not lead to death, he should pray and God will give him life. I refer to those whose sin does not lead to death. There is a sin that leads to death. I am not saying that he should pray about that. All wrongdoing is sin, and there is sin that does not lead to death."
The Jews knew, from the Law, that they should wash their hands thousands of years before the rest of us discovered germs, and have been spared the ravages of plague because of it. Our European ancestors DID die because they didn't wash their hands. If they were spiritually saved, before they died, this oversight didn't make them unsaved, but it DID shorten their life. I believe that all or most of the Old Testament dietary and hygienic laws contain these beneficial qualities, but not doing them doesn't lead to [eternal] death. Their neglect, however, has led to unnecessary sickness and physical death, as they ARE health codes given, by God no less, to the nation of Israel.
I believe the ideal of the Quiverfull holds the same promise.
