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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To not want dp to get tested to be a donor?

443 replies

Born2 · 07/01/2026 21:08

Bit of a unusual one.

Been with dp for 3 years and we have a 2yo and I'm 36 weeks pregnant.

Last week he received an message on FB from his ex, telling him he had a son, now 13/14 and he needed a kidney transplant and asked dp to test if he was a match. DP didn't know about him but he went to visit him in hospital today. He's on dialysis and is really unwell but he told dp that he “doesn't need a dad” and that was that.

Seeing how unwell he was dp wants to test to see if he's a match but I don't. Especially as dp wouldn't have known about him if it wasn't for this, he doesn't know 100% he is the dad! And its an urgent op so ill likely give birth while he's still recovering and it's a big op so he won't be much use. I don't have family support etc. The Mum said she can't do it.

AIBU?

OP posts:
BrickBiscuit · 08/01/2026 01:02

Oftenaddled · 08/01/2026 00:58

The thing is that you don't know until that point whether you'll be able to donate anyway. It's a long process. But either way (DNA test or failed donor application) it's tough on the child.

One thing that may help anyone with a similar dilemma - the child will stay on any waiting lists he's on while testing continues, and they can test lots of people in parallel. That might make immediate DNA testing a good idea actually - if there are members of DH's family who might also want to explore donating, it would be good to be sure of the relationship asap.

It's not whether he is able to donate; it's whether he wants to donate. So if it's not his child, he may decide not to donate. There's no point testing for compatibility in that case. Confirming paternity is the starting point.

GardenCovent · 08/01/2026 01:00

@Daytimetellyqueen the question the op posted was regarding her DH getting tested to see if he could donate a kidney to his son, not some random child.
Of course, during these tests, the ops DH would be well within his right to confirm paternity and if the child was his, he should absolutely go and get tested as is his wish.
As I said I would 100% donate a kidney to my child.
As for the op not wanting him to do it because he’ll be no help to her post partum, words actually fail me.

Oftenaddled · 08/01/2026 00:58

BrickBiscuit · 08/01/2026 00:54

And if, at that 6 month point, he finds out it's not his son. How does everyone involved then process his decision whether to continue or not? Surely it's better to find that out before starting the compatibility process.

The thing is that you don't know until that point whether you'll be able to donate anyway. It's a long process. But either way (DNA test or failed donor application) it's tough on the child.

One thing that may help anyone with a similar dilemma - the child will stay on any waiting lists he's on while testing continues, and they can test lots of people in parallel. That might make immediate DNA testing a good idea actually - if there are members of DH's family who might also want to explore donating, it would be good to be sure of the relationship asap.

PyongyangKipperbang · 08/01/2026 00:54

Oftenaddled · 08/01/2026 00:49

You can't make the mother get tested too - no donation team will accept a donor under duress and they will lie to relatives on their behalf. Though assuming DH has no parental rights he'd have no right to hear the outcome of other people's tests anyway, so he will never know if she tests or not.

Lots of people don't qualify to donate. Often that's already obvious without testing: diabetes, heart conditions, cancer even after treatment, and lots more.

No but he can very much question why she hasnt been tested and say that he wont be tested until she is too.

ETA I didnt say "force" I said "request"

BrickBiscuit · 08/01/2026 00:54

Oftenaddled · 08/01/2026 00:44

I don't think there's any need to be losing your sanity over a planned wait to confirm whether a child is yours, if the wait was your own decision. But if someone felt that fragile, of course they should go with the DNA test first. Just saying how I'd approach it in this unusual situation.

In terms of time, I think you'd be at about 10 hours of tests and conversations over probably about 6 months before the paternity question became clear. Up to OP's DH but I would say not too burdensome.

And if, at that 6 month point, he finds out it's not his son. How does everyone involved then process his decision whether to continue or not? Surely it's better to find that out before starting the compatibility process.

LobsterWeb · 08/01/2026 00:54

Oftenaddled · 08/01/2026 00:49

You can't make the mother get tested too - no donation team will accept a donor under duress and they will lie to relatives on their behalf. Though assuming DH has no parental rights he'd have no right to hear the outcome of other people's tests anyway, so he will never know if she tests or not.

Lots of people don't qualify to donate. Often that's already obvious without testing: diabetes, heart conditions, cancer even after treatment, and lots more.

…high/low BMI, high blood pressure, pregnancy or plans for pregnancy in the near future, kidney issues, kidney stones, mental health issues, blood clotting disorder… so many reasons someone might not be considered for testing.

BrokenWingsCantFly · 08/01/2026 00:54

RobertaFirmino · 07/01/2026 21:47

I presume the child's mother is absolutely desperate to find a donor.

With that in mind, I'd suggest a paternity test before anything else happens.

Yeah this was my thoughts too.
Why would she leave it so late to get the father tested. I'd worry that he was just 1 of many ex partners she had during that time that she had turned to out of desperation.

1st step would be a paternity test. Then if the boy is his then he would have to get tested. There is no way this bombshel can just go away. It would ruin your DH life if this is his son and he did not try to see if he could save him.

I don't agree with all the horrible posts making you out to be such an awful person. You are in shock and heavily pregnant with your world as you know it turned upside down in the most shocking way. Anyone would have a panic, be full of fear and wishing life could just continue as you know it. The reality is though you do have to face up to this. After the paternity test

Oftenaddled · 08/01/2026 00:54

PyongyangKipperbang · 08/01/2026 00:48

Oh well if its not too burdensome then thats fine!

I mean lets just disregard that he could suffer serious health issues as a result, that the OP is due to give birth imminently, that they have another toddler child and that he doesnt actually know if the boy is his son.

Cos hey....its not a big deal!

You're not reading what I said - he will find out in the course of testing for donation whether the child is his anyway. You don't agree to donate until all tests are complete.

Oftenaddled · 08/01/2026 00:52

RobertaFirmino · 08/01/2026 00:49

Fragile? This is a matter of common sense. Do you honestly think believing you are a child's father for six months, a child in a life-or-death situation, only to be told 'Well actually, he's not yours' is 'not too burdensome'? Jesus wept....

If I chose to do it that way, obviously I'd be fine with it. But yes, fragile isn't a great choice of word. If you thought you'd find it intolerable, I should have said, DNA test first. I'm just thinking how grim that would be for the child. No perfect solution, though, unfortunately.

Oftenaddled · 08/01/2026 00:49

PyongyangKipperbang · 08/01/2026 00:41

First request....DNA

Second request.... mother gets tested too.

You can't make the mother get tested too - no donation team will accept a donor under duress and they will lie to relatives on their behalf. Though assuming DH has no parental rights he'd have no right to hear the outcome of other people's tests anyway, so he will never know if she tests or not.

Lots of people don't qualify to donate. Often that's already obvious without testing: diabetes, heart conditions, cancer even after treatment, and lots more.

RobertaFirmino · 08/01/2026 00:49

Oftenaddled · 08/01/2026 00:44

I don't think there's any need to be losing your sanity over a planned wait to confirm whether a child is yours, if the wait was your own decision. But if someone felt that fragile, of course they should go with the DNA test first. Just saying how I'd approach it in this unusual situation.

In terms of time, I think you'd be at about 10 hours of tests and conversations over probably about 6 months before the paternity question became clear. Up to OP's DH but I would say not too burdensome.

Fragile? This is a matter of common sense. Do you honestly think believing you are a child's father for six months, a child in a life-or-death situation, only to be told 'Well actually, he's not yours' is 'not too burdensome'? Jesus wept....

PyongyangKipperbang · 08/01/2026 00:48

Oftenaddled · 08/01/2026 00:44

I don't think there's any need to be losing your sanity over a planned wait to confirm whether a child is yours, if the wait was your own decision. But if someone felt that fragile, of course they should go with the DNA test first. Just saying how I'd approach it in this unusual situation.

In terms of time, I think you'd be at about 10 hours of tests and conversations over probably about 6 months before the paternity question became clear. Up to OP's DH but I would say not too burdensome.

Oh well if its not too burdensome then thats fine!

I mean lets just disregard that he could suffer serious health issues as a result, that the OP is due to give birth imminently, that they have another toddler child and that he doesnt actually know if the boy is his son.

Cos hey....its not a big deal!

Oftenaddled · 08/01/2026 00:44

RobertaFirmino · 08/01/2026 00:36

There's actually a lot to lose.

Your sanity for a start. Imagine going through all that, only to be told you aren't actually the father and you've been spun a web of lies?

Then there's time. Time which could potentially be lost if he's gone through all that for some random kid that isn't his. Time which could have been spent elsewhere, preparing for a child that actually is his.

I don't think there's any need to be losing your sanity over a planned wait to confirm whether a child is yours, if the wait was your own decision. But if someone felt that fragile, of course they should go with the DNA test first. Just saying how I'd approach it in this unusual situation.

In terms of time, I think you'd be at about 10 hours of tests and conversations over probably about 6 months before the paternity question became clear. Up to OP's DH but I would say not too burdensome.

HoppingPavlova · 08/01/2026 00:41

@AbsolutelyZeroFoxGiven But then you could argue- say he says no. The condition is passed by him. His eldest with op needs a kidney. Should he say no to them because the youngest might need a kidney and he won’t have another to donate?
you’re assuming he would even be a match for his two children with op. Yes he has one kidney to donate. Why should this child’s life have any less value than his other children. It’s not his fault his dad didn’t know he existed.

That’s all the stuff that is worked through during the counselling process, it’s not as black and white as Mumsnet makes out. It may be for some people but it’s not wrong if it’s not for others. A bit like people deliberately having siblings solely for ‘spare parts’ when a child needs familial donors and parents are not a match (and yes, this does happen). It’s 100% common sense for some people, whereas others give it pause for thought, nothing about the living donor process is clear cut and people will have complex thought processes. Which is why there is mandatory counseling process for concerned individuals versus a Mumsnet army.

PyongyangKipperbang · 08/01/2026 00:41

First request....DNA

Second request.... mother gets tested too.

RobertaFirmino · 08/01/2026 00:36

Oftenaddled · 08/01/2026 00:29

Great free health check, on the other hand. If it's likely to upset son I might skip the DNA test and let the kidney testing reveal it, given how miserable things must be for him right now.

There's a stage where they look at a profile you inherit half from your mum, half from your dad, so if son isn't matching at that point there's no relationship. (Other issues like blood type also affect the match but don't reveal relationship, so you can be a parent and not an overall match for the child).

And your transplant team positively encourages you to pull out at any time, and covers for you if you do ... There's nothing to lose by testing.

There's actually a lot to lose.

Your sanity for a start. Imagine going through all that, only to be told you aren't actually the father and you've been spun a web of lies?

Then there's time. Time which could potentially be lost if he's gone through all that for some random kid that isn't his. Time which could have been spent elsewhere, preparing for a child that actually is his.

Oftenaddled · 08/01/2026 00:29

RobertaFirmino · 08/01/2026 00:18

A paternity test can be done in a couple of days. Otherwise, he is putting himself through all manner of appointments and tests for potentially nothing. All the emotional upheaval that comes with this too.

No time will be wasted, he'd likely get the paternity test results before an initial hospital appointment came through.

Great free health check, on the other hand. If it's likely to upset son I might skip the DNA test and let the kidney testing reveal it, given how miserable things must be for him right now.

There's a stage where they look at a profile you inherit half from your mum, half from your dad, so if son isn't matching at that point there's no relationship. (Other issues like blood type also affect the match but don't reveal relationship, so you can be a parent and not an overall match for the child).

And your transplant team positively encourages you to pull out at any time, and covers for you if you do ... There's nothing to lose by testing.

LobsterWeb · 08/01/2026 00:26

unsync · 08/01/2026 00:20

This is not the advice my friend was given when they had to make a decision about being a live donor recently.

The information that Oftenaddled has given on this thread is accurate and realistic, speaking as someone who has actually donated a kidney.

Which hospital was your friend dealing with?

Either you’ve misunderstood what she told you, or she has misunderstood what she was told.

Oftenaddled · 08/01/2026 00:23

unsync · 08/01/2026 00:20

This is not the advice my friend was given when they had to make a decision about being a live donor recently.

It's the advice I was given, and I've backed it up with extensive reading of medical journals etc. Does your friend perhaps have some condition that would raise her level of risk? Would you remember the details of problems to be expected at all?

unsync · 08/01/2026 00:20

Oftenaddled · 08/01/2026 00:00

There are no studies showing quality of life is much affected. You are advised not to lift heavy objects for six weeks and not to drive for about two. You need to rebuild core muscles. You have an annual check up for kidney function, blood pressure etc. You have a slightly higher risk of developing end stage kidney disease very late in life that you would otherwise have, but the absolute risk remains very small. The medical team goes through all this with you at length and in detail before you are fully tested, before you commit, before the operation.

This is not the advice my friend was given when they had to make a decision about being a live donor recently.

McGregor33 · 08/01/2026 00:19

I assume if any of your children required life saving treatment you’ll tell your husband he’s not to be tested then?

Regardless of their past relationship, it seems your DP believes he’s the father. Maybe the boys mum said she had an abortion so she couldn’t be accused of ruining his life as it was just starting?

Im pretty sure all of that can be worked out once DP has been tested. If his son doesn’t want him in his life so be it, but he should be taking the steps to ensure his son makes that decision. The boys mum may already have been deemed unsuitable for the donor hence why not been tested.

RobertaFirmino · 08/01/2026 00:18

pepperminticecream · 07/01/2026 23:54

Yes, wasting time by getting a paternity test done FIRST makes a lot of sense 🙄the DP should firstly find out why the child has the condition, meet with the medical team and undergo testing to see if he is a match at the same time as paternity testing. But waiting for the paternity test first is such a waste of time when a life is on the line.

A paternity test can be done in a couple of days. Otherwise, he is putting himself through all manner of appointments and tests for potentially nothing. All the emotional upheaval that comes with this too.

No time will be wasted, he'd likely get the paternity test results before an initial hospital appointment came through.

Daytimetellyqueen · 08/01/2026 00:15

GardenCovent · 08/01/2026 00:09

I’m not on any organ donation register but I don’t have to be, here in Scotland we operate an opt out system.
And, without clutching any pearls, I would absolutely donate a kidney to my child, no doubt about it

You can donate a kidney now, so why have you not done so to another random child as right now without proof, that’s what this boy is to Ops DH?

(Edited to clarify my point)

Daytimetellyqueen · 08/01/2026 00:14

99bottlesofkombucha · 08/01/2026 00:08

I really don’t see why the mum would have reached out to do if it weren’t his child.

Desperation at the lack of donor so trying anything from anyone in the hope of finding a match? Why hasn’t the mum got tested herself? Who knows why people do things but doesn’t mean the Ops husband is the dad!

Oftenaddled · 08/01/2026 00:10

Espressosummer · 07/01/2026 23:43

So you would be fine with your partner giving their kidney to a stranger? And you yourself have also donated to a stranger because "you have two kidneys and only need one"? That's the point I was making, that all the holier than thou posters on this thread should consider themselves/their partner's doing an altruistic donation since they, just the OP's partner, could save a child's life.

I'm not naive at all. A close colleague donated her kidney to her daughter. The transplant failed. I witnessed the hell that family went through. Sometimes shit happens and the impact could be far reaching for the OP's family. That's why I think he at least needs to do a dna test first.

Some transplants do fail - about 3% I think - and it's awful. You are warned about it and of course it would be distressing. But the way I thought of it was, you're part of a bigger picture. For every 97 transplants that work, there need to be 100. And at least you've done what you can.

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