Not all the time. In fact, vasectomies are supposed to be seen as a permanent procedure because no one can guarantee if it’s reversible. The longer you’ve had a vasectomy the less likely you will have a successful reversal. Since it’s a popular belief that it’s reversible whenever I think the manwha will go based off it being completely reversible but in real life it’s important to know after some years (within a decade for some) it may actually start to affect those who get the procedure’s fertility permanently
Vasectomies are considered permanent, as in permanent birth control. Just like anything, nothing is 100%. It is considered successful 60-95% of the time, and while it's not reliable it IS a good chance. It is ALSO possible to STILL carry sperm even after a vasectomy, and unless someone has a hysterectomy there is no 100% fool proof way to prevent kids. Even those who are considered medically sterile can still have children. It really depends on the person, and like you said most people who get it and have it for long periods of times show less chances of a successful reversal. But in the case of younger people who've had it and have only had it for a hand full of years it's probably easily reversed. It also depends on your doctor and if their surgery skills are elegant enough to pull off the reversal.
I said permanent because most medical professionals do not recommend a vasectomy if you plan to have kids in the future. I’m not here to argue because we’re on the same page I just don’t like the blanket statement that they are reversible. Because yes, reversible just means that they were able to reattach everything and sperm returned, that is indeed 60-90%. It doesn’t mean that sperm is viable and there isn’t much research on the chance of you getting someone pregnant. It’s like 30-90% chance within 5-8 years of having a vasectomy so that’s too wide of a margin to be confident. Again, most doctors do not recommend this to those who plan to have children. My comment had nothing to do with whether or not he’s sterile or the chances his sperm will be viable. Again, this is a fluffy sex manwha I don’t think they’ll touch heavily on this. It was more of a reminder that it’s not always like that in real life even though most people, not necessarily you, think it is. For example, a ton of ppl think they can’t get pregnant if someone wears a condom when condoms are just 85% effective and less when it comes to transferring STIs/STDs. Condoms are great and should be used but i personally think it’s dangerous to make blanket terms about such things. The difference between “vasectomies are reversible” and “vasectomies can be reversed” if that makes sense. Not to say you’re wrong, I just would have phrased it slightly different.
Minor note, this isn’t an “um actually” or anything I just think this is something you would find interesting. People can get pregnant after a hysterectomy, an ectopic pregnancy which is rare and pretty dangerous. Funnily enough I think all male omega pregnancies are ectopic but that’s whatever.
Remember everyone, vasectomies are reversable!!!