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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to expect my sister to accept my fourth pregnancy when she is child free not by choice ?

358 replies

TheFunnyPoet · 21/08/2026 14:09

My husband and I have been together for 11 years and married for 9. He is 49 and I’m 38.
He has two older children from his previous marriage, both of whom are still very much part of our household. They split their time between us and their mum, although realistically they’re here a lot. So although this will technically be my husband and my fourth child together, we already have a very full house. We’ve recently announced that we’re expecting our fourth baby together.

I’m obviously over the moon. This baby was planned, wanted and very much conceived because we both genuinely wanted another child. This is our last DH has since had a vasectomy.My sister, however, has taken the news really badly.She’s 44 and with a lovely partner who does have children. She was married for quite a long time to her ex, and apparently he had always told her that he “might” want children eventually. She waited because she loved him and trusted that he would change his mind.He never did.
They eventually separated and divorced and she’s now in the position of being childless when having children is something she desperately wants.

She has said to me that every single one of my pregnancies has felt like a punch in the stomach because I already have three children and am now having a fourth.
I completely understand that she’s hurting, and I have tried to be sensitive. I don't constantly talk about the pregnancy around her I’ve even avoided discussing names etc.
But she has now basically said that she feels I’m being incredibly insensitive by having another baby when I know how desperately she wants one.

This is where I’m struggling.I feel awful for her. I genuinely do. I can’t imagine wanting a child for years and not having one.
But at the same time, what exactly am I
supposed to do? My sister's situation isn't something I can fix. I can't give her my baby, and I don't think it's reasonable for me to not have my baby because she hasn't been able to have one.And, if I'm being completely honest, there is a part of me that feels angry because she chose to stay with a man for years who she knew was ambivalent about having children. She says he manipulated her and strung her along, whereas I think at some point she also had to make a choice about whether to stay.

I haven’t said that last part to her because I know it would be incredibly hurtful.
My husband thinks I’m being far too considerate already and says that while we should obviously be kind to her, our family planning is nobody else’s business.
My mum, however, has told me I need to “put myself in my sister’s shoes” and perhaps accept that she might not want much contact with me during the pregnancy or after the baby is born. I am fine with no contact my life shouldn’t stop for her to be happy.

I’m finding that difficult because we’ve always been very close, and I don't want my sister to resent my baby before he/she is even born.

I’m not asking whether I should have had the baby that ship has obviously sailed. I’m asking whether I’m being unreasonable in expecting my sister to accept that I’m allowed to be happy about my pregnancy despite knowing how painful it is for her.

OP posts:
MissChanandlerBonng · 25/08/2026 11:27

BogRollBOGOF · 25/08/2026 08:38

Everyone goes through life with some kind of regret/ grief. Most people manage not to be spiteful about it.

Agreed

MissChanandlerBonng · 25/08/2026 11:29

Lexibletheflexible · 25/08/2026 10:14

I said what I'd do.

Hypothetical surrogacy is even more amazing than the usual hypothetical MN giving away of a large inheritance - gold star for you

phoenixrosehere · 25/08/2026 13:29

Wadsworthy · 23/08/2026 19:45

This sister isn’t involuntarily childless. She could have a child on her own if she chose to. She’s not infertile and until she is in menopause, she can still get pregnant unless she actually is infertile and hasn’t told OP.

I think people who haven't experienced social infertility have no idea what it's like. W're told this sort of thing: "If you really wanted a child, you'd have had one on your own." Generally said by women in secure partnerships.

It's as complex as medical inferyility, and difficult because it looks so easily solved: just gho to the sperm bank.

But like the OP's sister, it can be tangled up with wanting an actual father for one's child, or wanting a specific father. How terrible!

Having a choild on one's own is still very very difficult, in all sorts of ways: physically, financially, and also emotionally.

The OP's sister wanted a family with a specific man. He cheated her f her opportunity. Have some compassion, or at least try to imagine what some women go through.

What makes you think I don’t?

Is it sad that she wasted her years on a man who actually didn’t want to have children with her and and then went on to have children with someone else?

Yes but it doesn’t override her behaviour towards others.

Her behaviour towards OP and other friends were and is unnecessary, spiteful and she continues to make them while expecting these same people to simply take it because they have something she desires.

Why should they consult her before they have a child? Why is it her business whether they have children or not? Why is it fine for her to treat people such a way who are supposed to be her family and friends?

It isn’t.

I know some people detest this phrase but two things can exist as once.

You can think what happened to her was sad while thinking her continued behaviour is uncalled for.

Copperoliverbear · 25/08/2026 15:20

Why can she not have a baby now ? My cousin had one at 46.

Holeymoley28 · 25/08/2026 15:38

Copperoliverbear · 25/08/2026 15:20

Why can she not have a baby now ? My cousin had one at 46.

Because then she won’t have her get out of free jail card for being a snarky sod.

Ant1cs · 26/08/2026 00:36

Holeymoley28 · 25/08/2026 15:38

Because then she won’t have her get out of free jail card for being a snarky sod.

It takes one to know one 🙄

MrsShawnHatosy · 26/08/2026 09:56

Holeymoley28 · 25/08/2026 15:38

Because then she won’t have her get out of free jail card for being a snarky sod.

She’s still allowed to feel sad about not having children even if she feels her time for having one is past.

Joliefolie · 26/08/2026 11:41

Everyone and anyone is "allowed" to feel sad about anything they like, for as long as they like.

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