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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

OH wants custody of baby niece?

1000 replies

milkshakess · 08/05/2026 10:55

So OH's younger sister has recently had a baby and there is possibility that the baby may end up in care.

She already has an 18 year olds on who has lived with their mum since he was 8.

She dips in and out of his life, she even forgot his last birthday, she hasn't really been a mum to him at all. Despite this he has turned out to be a lovely, smart and hard working lad.

Everyone was so surprised by the pregnancy.

From what we understand she was kept in hospital for 2 weeks whilst some kind of team were getting stuff ready for the baby.

I think the hospital staff were monitoring and observing her interact with the baby and something must of been flagged?

Her mum has sold her house and was due to move abroad in September but she had been visiting her and the baby at the hospital daily and helping.

OH isn't really close to his sister but he is close to her son, he calls OH the "best uncle" as him and the other uncles have all chipped into help raise him.
OH would sometimes not see his sister for years and she was always changing her number and would have to talk to her though her son.

Anyway the family don't want the baby to end up in care but everyone has young kids themselves ( we have toddlers and are trying for a 3rd).

OH wants to go for custody but the care would really fall on me and I work from home and have a very flexible job.

Just wanted input on the situation as OH and the family don't want the baby to go into care

OP posts:
ForCosyLion · 09/05/2026 01:06

OP, regardless of the rights and wrongs and morals of the situation, you absolutely should NOT take this baby in unless you really, really want to and your heart is in it. It doesn't matter what anyone thinks and it doesn't matter what your husband thinks. Asking you to raise a newborn to adulthood is a MASSIVE ask. And if he means taking the baby in INSTEAD of having another one of your own, I think that's the height of unfairness.

If you don't want to do it and if your husband is sooooo appalled by that, he's perfectly welcome to split up with you and take the baby in himself. I bet he wouldn't. He wants YOU to raise the baby.

You are just going to have to say no, I don't want to, and that's that. Maybe there'll be blowback, but at least you won't have to raise a baby that you don't want to raise.

In the adoption system, babies are the most highly sought-after. Maybe some lovely couple will adopt her and you can still see her as part of the extended birth family.

LBFseBrom · 09/05/2026 01:08

You seem absolutely love and I am sure you will make the right decision about this little girl.

Come back after the weekend and tell us how the visit went - and what the baby is like.

I'm wishing you good luck, I know this is not an easy decision for you to make either way. However I have a feeling it will work out.

Bollixtothat · 09/05/2026 01:16

I couldn’t parent a child with so many odds stacked against them. The mother sounds feckless and may have addiction issues which could result in fas. The father is probably feckless too if he’s fathered a child he doesn’t want or doesn’t know about. Unless you could handle parenting a special needs child don’t entertain the idea. It takes a strong person to parent a child that isn’t theirs and an even stronger one to parent one with high needs.

ResultsMayVary · 09/05/2026 01:27

That's such a huge thing you are being asked to do.

I think that wouldn't agree unless you got married. Even if just at the registry office as a legal protection.

If you are buying a home is your name on the title?

Will you manage to hold down your job while caring for a baby? If not then how will your financial position be protected including your pension?

I feel like you are being asked to risk far too much and I'm wondering what protections are being out in place for you?

If you split down the track what situation would you find yourself in? Would you even have access to this child (even if you were the main care giver)

Okiedokie123 · 09/05/2026 02:14

I would adopt and lovingly care for the baby and quit ever thinking of having a third. This little one would be a third for me.

Candy24 · 09/05/2026 02:44

Really only matters what you think

CookingFatCat · 09/05/2026 02:51

If I were you I’d be sorting my own precarious financial position as an unmarried SAHM before taking on routine care of your niece.

ForCosyLion · 09/05/2026 03:09

milkshakess · 08/05/2026 21:40

So SIL was under the care of the mental health team during her pregnancy.

She had to be induced and then it was decided that it would be best for her to remain in hospital with the baby as the mental health team were liaising with the council into getting her settled as she was moving into a brand new house.

Concerns were noted and observed by the midwives in the hospital.
The baby and SIL are still in hospital with MIL visiting every day along side her son.

There at various organisations involved already and they are looking to see if anyone can take the baby.

With the nephew, she wasn't a very good mum to him, would neglect him, leave him with his nan for days to go out drinking etc.

When he was 8 his nan became responsible for him and she has dipped in and out of his life.

She took loans out in her mum's name and went off to New York for 3 months when he was 11 and didn't even call to check how he was.

Nephew has turned out into such an amazingly kind and smart young man. He is at college and has done so well BUT he has no parental figure in his life and he says this a lot to OH and me.

He tells OH that he is like his dad and OH will give him money, buy him stuff and take him out for food etc every week.

I am really torn and I know when I see the baby that I will want to keep her as I won't be able to face her getting put in care.

Before I had kids I had 5 cats, and I was adamant that I didn't want any more.

Then one day a little kitten came to my front door after being dumped by someone after Xmas and she would come every day following me around and I kept her in my greenhouse, insulated it and made it her home until I got her vaccinated, checked for FIV and when she was spayed she stayed in my bedroom to recover.

We took her to Cats Protection with the intent on having her rehomed but I didn't have the heart to say goodbye and I think this will end up happening with this baby.

But as others have pointed out I would want the baby to raise as my own and now have SIL dip in and out as she does with her son.
That would both be stressful and unfair.

I will know more weekend as we are going with MIL to the hospital.

Wow, SIL must really be the most awful mother if concerns have been noted about her parenting and a placement for baby is being looked at before SIL has even left the hospital. 😱 Hopefully she might think about some permanent contraception now, instead of being so selfish as to keep producing children she can't/won't look after. I suppose the father is some feckless randomer, too. Poor little baby.

Andthatmyfriendisthat · 09/05/2026 03:39

Okiedokie123 · 09/05/2026 02:14

I would adopt and lovingly care for the baby and quit ever thinking of having a third. This little one would be a third for me.

Vomit. Babies aren't puppies and even dogs are not interchangeable. This is disgusting.

Andthatmyfriendisthat · 09/05/2026 03:43

Everyone pretending the high needs unrelated offspring of a mentally ill woman is the same as OP having her own third baby needs to simply shut up. You all sound absolutely gross and frankly demented.

So, to recap, a man you're not married to wants you to take the responsbility for mothering an unrelated high needs baby and become permanently and inescapably enmeshed with a mentally ill woman and his messy family dynamic.

You also don't get to have your own third baby but get to pretend an unrelated person's baby is interchangeable and should be accepted in your own child's place.

And you don't want to.

So don't do it.

Zanatdy · 09/05/2026 03:46

I think i’d seriously consider taking this baby in, probably instead of a 3rd child though. I agree though that you don’t want the mother dipping in and out and interfering too much, so you’d need to ensure that it was official, and any contact was agreed by social services. Family members could help yes, but have to understand you and your OH will be the child’s parents. It’s a really tough situation. I think in your boat, having young DC already and wanting a 3rd, I’d adopt this child. You will grow to love her just as much as your own DC.

I just replied on another thread asking people if they’d take in a grandchild and said that whilst i’d not want to, as my own DC are adults now, I would. I’d also take in my 4yr old nephew if anything ever happened, as I could not see a family member go into the care system. That said, i’m sure there are a lot of families who would make great parents adopt a baby, but in your situation when you already have young DC, yes I think you should seriously consider it. But don’t feel guilt tripped if you decide not to proceed, you can still help out if MIL did decide not to move overseas and be heavily involved in her life.

ItsOkItsDarkChocolate · 09/05/2026 07:33

SnoopyPajamas · 08/05/2026 23:21

I can understand why the nephew thinks OH hung the moon, but if you put together absolutely everything OH has done for him over the years, it would pale in comparison to the day to day grind OH is asking you to take on with this newborn.

OH is getting a warm glow out of playing the hero, but in reality he has been quite minimally involved and has shared that load with his brothers. This baby would be a whole different kettle of fish, and as other posters have said, the burden of all that work would fall on you. (But I'm guessing a lot of the credit would be given to him.)

Given that you don't have any official commitment to OH, and adoption probably isn't possible, I'd think hard before taking this on. People keep saying "this could be baby number three" but you wanted your own baby, and that's not a selfish thing to want. It would be terrible to give up on that, only for SIL to reappear a few years later as a reformed character and take her baby back. But taking on an extra child is no joke either. If you got pregnant tomorrow, you could end up juggling 2 under 2, and that's a lot to take on.

You mention his brothers have young children too, and this is why they're not taking the baby in. Why have their wives been able to resist the pressure, and you not so much? Is it because you work from home?

Just FYI - OP has been with OH for 12 years, that’s commitment enough should adoption be the situation. They also have 2 children together on top. Marriage is not a requirement for adoption approval.

godmum56 · 09/05/2026 07:35

covilha · 09/05/2026 01:05

@milkshakess - difficult to vote as I am not sure of your marital stays. If oh is your husband then I think you should go for custody as child is part of your family.
If oh is not your husband then I think it is unfair on you to have to look after this child in addition to your own.
I know even in a marriage you could divorce but the marriage changes your status, confers rights as part of the family and hence a responsibility to family members

op has already said they are not married

godmum56 · 09/05/2026 07:37

CookingFatCat · 09/05/2026 02:51

If I were you I’d be sorting my own precarious financial position as an unmarried SAHM before taking on routine care of your niece.

op is not SAHM she has a job

Bundleflower · 09/05/2026 07:37

Andthatmyfriendisthat · 09/05/2026 03:39

Vomit. Babies aren't puppies and even dogs are not interchangeable. This is disgusting.

Edited

A baby that doesn’t exist yet, and might never even with all the will in the world, is very much interchangeable. I know it is ‘the thing’ on MN to come up with an edgy, mock offence but you choosing to be disgusted by someone suggesting that this innocent little baby could fit into OPs home, which obviously has the want, the love & capacity for another baby, is not exactly a warranted thing to be offended over.

Keep us updated OP. What a mind fuck of a time you’re going through. Whatever you decide, it sounds like this little girl is lucky this has been picked up so young and she has the chance for a better life than SIL could ever give her.

gamerchick · 09/05/2026 07:39

Where is babies dad and his family in all of this? Babies aren't grown on their own.

Binus · 09/05/2026 07:40

ItsOkItsDarkChocolate · 09/05/2026 07:33

Just FYI - OP has been with OH for 12 years, that’s commitment enough should adoption be the situation. They also have 2 children together on top. Marriage is not a requirement for adoption approval.

Adoption isn't likely to be an option here though, as the poster said.

The points people make about marriage appear to be primarily financial. It's more of a risk for an unmarried partner to limit their earnings to do childcare than it is for a married one, because of the different way in which the law treats the two groups. 12 years together isn't enough commitment to get those protections if you don't also have a marriage contract.

This of course is still some risk even with one's own children, which is why unmarried women on here are often advised not to reduce hours, but at least OP has PR for her own plus legal rights to paid maternity leave and employment protections.

ItsOkItsDarkChocolate · 09/05/2026 07:42

Andthatmyfriendisthat · 09/05/2026 03:43

Everyone pretending the high needs unrelated offspring of a mentally ill woman is the same as OP having her own third baby needs to simply shut up. You all sound absolutely gross and frankly demented.

So, to recap, a man you're not married to wants you to take the responsbility for mothering an unrelated high needs baby and become permanently and inescapably enmeshed with a mentally ill woman and his messy family dynamic.

You also don't get to have your own third baby but get to pretend an unrelated person's baby is interchangeable and should be accepted in your own child's place.

And you don't want to.

So don't do it.

Edited

Wow. And we’re the gross and demented ones?

Sure, it’s complicated…

As an aside, why are so many people fixated on the lack of marriage? That doesn’t seem to be a concern or priority for OP? They already have 2 children, planning a 3rd, together 12 years. Marriage is not always the guarantee people think. Is OP not to be considered as family?

Jk987 · 09/05/2026 07:44

.

ThatLilacTiger · 09/05/2026 07:44

milkshakess · 08/05/2026 21:40

So SIL was under the care of the mental health team during her pregnancy.

She had to be induced and then it was decided that it would be best for her to remain in hospital with the baby as the mental health team were liaising with the council into getting her settled as she was moving into a brand new house.

Concerns were noted and observed by the midwives in the hospital.
The baby and SIL are still in hospital with MIL visiting every day along side her son.

There at various organisations involved already and they are looking to see if anyone can take the baby.

With the nephew, she wasn't a very good mum to him, would neglect him, leave him with his nan for days to go out drinking etc.

When he was 8 his nan became responsible for him and she has dipped in and out of his life.

She took loans out in her mum's name and went off to New York for 3 months when he was 11 and didn't even call to check how he was.

Nephew has turned out into such an amazingly kind and smart young man. He is at college and has done so well BUT he has no parental figure in his life and he says this a lot to OH and me.

He tells OH that he is like his dad and OH will give him money, buy him stuff and take him out for food etc every week.

I am really torn and I know when I see the baby that I will want to keep her as I won't be able to face her getting put in care.

Before I had kids I had 5 cats, and I was adamant that I didn't want any more.

Then one day a little kitten came to my front door after being dumped by someone after Xmas and she would come every day following me around and I kept her in my greenhouse, insulated it and made it her home until I got her vaccinated, checked for FIV and when she was spayed she stayed in my bedroom to recover.

We took her to Cats Protection with the intent on having her rehomed but I didn't have the heart to say goodbye and I think this will end up happening with this baby.

But as others have pointed out I would want the baby to raise as my own and now have SIL dip in and out as she does with her son.
That would both be stressful and unfair.

I will know more weekend as we are going with MIL to the hospital.

Honestly I think this is the universe giving you your third baby. I can understand you wouldn't want to share her in any way with your SIL so there's a lot to be worked out in that respect but I wouldn't be able to let her go into care either. Poor little baba.

ItsOkItsDarkChocolate · 09/05/2026 07:51

Binus · 09/05/2026 07:40

Adoption isn't likely to be an option here though, as the poster said.

The points people make about marriage appear to be primarily financial. It's more of a risk for an unmarried partner to limit their earnings to do childcare than it is for a married one, because of the different way in which the law treats the two groups. 12 years together isn't enough commitment to get those protections if you don't also have a marriage contract.

This of course is still some risk even with one's own children, which is why unmarried women on here are often advised not to reduce hours, but at least OP has PR for her own plus legal rights to paid maternity leave and employment protections.

It is early days, it can take months before the legal system decides if adoption is in the baby’s best interests.

How people manage their pensions and finances are what make the difference financially, surely? I get being married can help with some aspects more easily.

OP has 2 children already, and considering a 3rd without marriage so far (unsure if wanted, not mentioned). Why does it matter more now? Genuinely curious.

Binus · 09/05/2026 08:16

ItsOkItsDarkChocolate · 09/05/2026 07:51

It is early days, it can take months before the legal system decides if adoption is in the baby’s best interests.

How people manage their pensions and finances are what make the difference financially, surely? I get being married can help with some aspects more easily.

OP has 2 children already, and considering a 3rd without marriage so far (unsure if wanted, not mentioned). Why does it matter more now? Genuinely curious.

Edited

OP hasn't even mentioned adoption here. I don't know why so many people are jumping to that conclusion.

WRT finances, basically the distinction is that marriage gives spouses automatic rights in a way that unmarried partnership doesn't. So for example you mention pensions. An unmarried couple can list each other as beneficiaries but they can also change it leaving the other person with much less recourse to challenge. This is why it's more risky to be the one dropping your hours or doing anything to impact your employment in a partnership if you're not married. You don't have the same comeback if the other partner decides to withdraw the financial protections you based part of your decision on.

This matters more cumulatively, in that say 5 years with reduced hours cos you had 1 child is less time than say 12 years with 3. It's also particularly relevant here because kinship carers don't have rights to paid leave, or the same legal protections at work that parents and pregnant women get. So that leaves both more potentially vulnerable at work, but OP would be the primary carer which means OH intends more of that to fall on her. And if it does impact on her earning ability, being unmarried means she's not got the same legal ability to have that taken into account in any settlement should they split. Which people do, all the time.

None of which is to say that being an unmarried partner with 2 kids having already reduced hours isn't potentially risky either. And some of the things people are saying would be daft even if they were married.

PoppinjayPolly · 09/05/2026 08:17

Why are posters still telling op nonsense of “THIS IS YOUR THIRD BABBEEEEE!”
No, @milkshakess is going to be used as an unpaid nanny/baby sitter with no parental rights or input, just all the responsibilities!

PinkEasterbunny · 09/05/2026 08:18

Tribal communities practice cooperative parenting , and in at least one tribe, the Hadzabe, researchers who stayed with them found that children can have 17 alloparents, in another it’s about 6. We talk about ‘it takes a village’ but they live it. Their whole attitude to child rearing is different to ours. That does not make it a fantasy. The children have a lot of autonomy, once weaned and can choose how they spend their days.

Perfect. So can someone give Hadzabe a call?

nomas · 09/05/2026 08:22

ItsOkItsDarkChocolate · 09/05/2026 07:42

Wow. And we’re the gross and demented ones?

Sure, it’s complicated…

As an aside, why are so many people fixated on the lack of marriage? That doesn’t seem to be a concern or priority for OP? They already have 2 children, planning a 3rd, together 12 years. Marriage is not always the guarantee people think. Is OP not to be considered as family?

Because the mum wants to retain contact. And social services prefer kinship arrangements in such situations so that the birth parent tie isn’t severed.

If OP and her OH split, he may say OP isn’t part of the kinship arrangements anymore because she isn’t family/kin.

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