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Midwives have been told about the benefits of “close relative marriage” in training documents that minimise the risks to couples’ children.

The documents claim “85 to 90 per cent of cousin couples do not have affected children” and warn staff that “close relative marriage is often stigmatised in England”, adding claims that “the associated genetic risks have been exaggerated”.

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[-] nyankas@lemmy.world 30 points 2 months ago

I wonder where this 15% figure comes from. All the research I can find estimates the probability for these disorders at around 2-4% for first degree cousins. This is about the same as becoming a mother at 40 with a non-related man.

The article only talks about some NHS training documents and is very opinionated in style. Smells like a snappy headline about a controversial topic was more important than proper research.

[-] qualia@lemmy.world 4 points 2 months ago

Plus in the absence of any power dynamic* why shouldn't absolutely anyone be allowed to choose to be in a relationship with literally anyone else? Especially as people are increasingly choosing to not reproduce.

  • If this is even possible
[-] Chozo@fedia.io 23 points 2 months ago

Am I the only one that thinks 15% is way too high of a chance to be rolling the dice like that? I've played enough XCOM to know that even a 99% success rate will still bite you in the ass.

[-] mycodesucks@lemmy.world 3 points 2 months ago

That's because like NHS in this case, X-COM *lies *.

[-] ryven@lemmy.dbzer0.com 3 points 2 months ago* (last edited 2 months ago)

It lies in your favor, though. On difficulties below the highest, the modern games have hidden modifiers that affect the hit chance that you can't see, but all of them are cheating for you. IIRC your hit chance secretly increases when you have missed shots recently, when you have dead soldiers, when you are outnumbered, and maybe some other things.

[-] Railcar8095@lemmy.world 2 points 2 months ago

Now tell them vaccinees have less than 15% chance of causing autism.

[-] UncleArthur@lemmy.world 5 points 2 months ago

Excuse me! Loads of Western European countries allow full incest (e.g. Belgium, France, Spain, etc.) so let's not pick on us Brits for allowing cousins to fuck.

[-] eager_eagle@lemmy.world 6 points 2 months ago

not making illegal and support from the national health service are vastly different things. 15% is a disastrous rate for public health.

[-] workerONE@lemmy.world 2 points 2 months ago

But it's not a 15% risk. Unrelated couples have a 3% chance of having a child with a birth defect while cousins have a 5% chance of having a child with a birth defect.

[-] stephen01king@piefed.zip 2 points 2 months ago

Isn't the problem being that the probability increases with each subsequent generations? That's why having a child with a cousin should be discouraged, to prevent the accumulation of bad recessive genes.

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[-] some_sort_of_thing@aussie.zone 5 points 2 months ago

They must make the best tory voters?

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[-] bus_factor@lemmy.world 4 points 2 months ago

Lots of things lead to increased risk of birth defects, like having children after the age of 30. I thought it was pretty well known that the risks associated with inbreeding drops off pretty sharply at the cousin level? At that point I think the appropriate reaction is social stigma, but not legal ramifications.

[-] nickhammes@lemmy.world 5 points 2 months ago

It also compounds over generations; if you're the child of first cousins, you really should seek someone who it would take genealogy research to find a common ancestor with. If you're not, it's still a serious risk to have kids with anyone too closely related, but level ramifications seem really harsh, especially thinking of situations like adoption where someone could end up there accidentally. And to your point, it isn't the only way to end up with that kind of risk profile.

[-] CatZoomies@lemmy.world 4 points 2 months ago

Alabamba hootin’ and hollerin’ intensifies

[-] mechoman444@lemmy.world 4 points 2 months ago
[-] EndlessNightmare@reddthat.com 1 points 2 months ago

Yeah no shit. 15% is fucking huge

[-] Railcar8095@lemmy.world 3 points 2 months ago

Devils advocate: I have a genetic defect that has 50% chance of being passed to my children. It causes bone tumors that range from stetic to life changing.

We only managed to ensure it wasn't with expensive DNA tests pre - implantation.

Should I be barred from marriage if I can't pay for that?

It's not a hypothetical

[-] boonhet@sopuli.xyz 1 points 2 months ago* (last edited 2 months ago)

Not sure what marriage has to do with it in either case tbh. The cousinfuckers can have babies without getting married and so can you lol

But I do understand your point. It's an ethical dilemma and not a simple one. I mean on a policy level. I imagine on a personal level it's easier to say "the risk is too great, I won't do it" as opposed to policymakers saying "the risk is too great, you shouldn't be allowed to have children"

[-] Atlas_@lemmy.world 1 points 2 months ago

Do you think it's (morally) right for you to have kids that you know would have a 50% chance to have bone tumors?

Sex bans are generally not workable. A marriage ban for you would be restrictive. This is very different for cousins, because there's plenty of non-cousin alternatives for everyone.

[-] raindrop1988@lemmy.ml 2 points 2 months ago* (last edited 2 months ago)

“85 to 90 per cent of cousin couples do not have affected children”

So imagine 10 couples: 1 couple has an affected child, the other 9 couples do not have any children. In this case, 90 percent of couples do not have affected children but 100 percent of children are affected. I wonder why they presented the statistics using that particular, odd means of phrasing.

[-] einkorn@feddit.org 2 points 2 months ago

Midwives have been told about the benefits of “close relative marriage”

Nice spin. They do not list benefits but advocate that the risk have been exaggerated.

[-] Ensign_Crab@lemmy.world 2 points 2 months ago

They have to justify the inbreeding of the monarchy somehow.

[-] stiephelando@discuss.tchncs.de 2 points 2 months ago

Les cousins dangereux

[-] circuscritic@lemmy.ca 2 points 2 months ago

If we ever get Medicare for All, I hope our national insurance agency doesn't put out a paper extolling the virtues of fucking and impregnanting your cousins.

[-] NigelFrobisher@aussie.zone 2 points 2 months ago

Er, we do. It’s called the NHS.

[-] Th4tGuyII@fedia.io 2 points 2 months ago

Not defending cousin incest, but it sounds like the NHS is at least backing up its viewpoint with evidence.

Now as to unstigmatising cousin marriages, that's a no from me. There are 60 million other people in the UK, there's gotta be at least one that's right for you that's not also your cousin.

P.s. Trump should really have left the US out of this conversation given how infamous some of the Southern States are for this sort of "matrimony"

[-] entwine@programming.dev 1 points 2 months ago

They add that “any discussion of the potential risks” to a child’s health “must also be balanced against the potential benefits” that come from “collective social capital” of such a union.

I wonder if they're also weighing the societal costs of having potentially serious birth defects in 10-15% of the population?

[-] foggy@lemmy.world 1 points 2 months ago

I won't live in a town that robs men of the right to marry their cousins!

[-] BoycottTwitter@lemmy.zip 1 points 2 months ago

Of those 15% I bet 100% vote for Deform UK.

[-] CrypticCoffee@lemmy.ml 1 points 2 months ago* (last edited 2 months ago)

Right wing newspaper The Telegraph supporting right-wing MPs campaign to ban cousin marriage by cherry picking health service docs that aren't there to promote but giving guidance to health professionals on how to treat patients and have zero impact on whether people choose to marry their cousins or procreate with them.

The prevalence is higher in UK Pakistani communities like Bradford. Having a right wing politician cherry pick info they dislike about minorities to start a crusade against minorities is as old as time.

I didn't think reactionary right wing politics would get so much traction on Lemmy of all places. Critically assess your sources, who is publishing, who is saying, and why.

Next week. Right wing MP pushes to ban the burka as it has x% impact on pedestrian safety at road crossings. When racists cannot directly discriminate, they don't stop, they just go for indirect strategies.

[-] quick_snail@feddit.nl 1 points 2 months ago

I don't think marriage is the problem. It's having children

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this post was submitted on 18 Jan 2026
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