AITA For Refusing To Postpone My Wedding Because My Sister-In-Law Is Due To Give Birth?

We all know that moment when life’s biggest milestones collide, forcing us to choose between family duty and personal joy. For one groom, a long-planned autumn wedding became a battleground of guilt when his brother and pregnant sister-in-law issued a shocking ultimatum.

What was supposed to be a beautiful celebration of love quickly turned into a high-stakes family conflict, leaving a young couple caught in the middle of an emotional storm. They had spent months dreaming of this perfect day, only to have it overshadowed by a conflict they never saw coming.

The couple spent over a year meticulously planning their dream wedding, choosing a date loaded with personal significance. They secured their dream venue, locked down vendors, and watched their guests book flights and accommodations. But when his sister-in-law’s due date fell right next to the big day, the expectant parents demanded a total schedule overhaul.

Suddenly, a happy milestone transformed into an emotional power struggle. The groom found himself desperately trying to balance his respect for his family’s new chapter with the immense logistical and financial reality of his own. As the pressure from his immediate family began to mount, the groom was forced to ask himself where the line between compromise and self-sacrifice truly lies. Curious how it all unfolded? The full story is right below.

AITA For Refusing To Postpone My Wedding Because My Sister-In-Law Is Due To Give Birth?

AITA for refusing to change my wedding date for my sister-in-law?

We’ve all been there—trying to align the stars, budgets, and calendars for one perfect day.

I (32M) am getting married to my fiancée (30F) this September.

We’ve been planning this wedding for over a year, and the date we chose isn’t random.

It’s the anniversary of when we first met, and it also worked best with venue availability, our guests’ schedules, and honestly, our budget.

A moment of shared family joy instantly pivots into a logistical tug-of-war.

Here’s where things get messy.

My brother’s wife, 'Lena' (29F), is currently pregnant and due about two weeks before our wedding.

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Everyone was excited at first, but now she and my brother are pressuring us to move the wedding because 'there’s no way they can attend with a newborn.'

I get that having a baby is huge, and I’m not expecting her to show up if she’s exhausted or recovering.

But they’re not just saying they might not come.

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They’re saying we’re being selfish if we don’t change the date entirely so they can attend.

The problem is, rescheduling would be a nightmare.

We’d likely lose our deposit on the venue, have to rebook vendors (some of whom are already fully booked for the next year), and potentially inconvenience 80+ guests who have...

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Financially alone, we’d probably lose thousands.

I told them we love them and of course we want them there, but we understand if they can’t make it.

I even suggested we could livestream the ceremony, or do a smaller celebration with them later when things settle down.

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The classic guilt trip: framing a complex financial and logistical nightmare as a simple lack of love.

That didn’t go over well.

Lena said I’m prioritizing 'a party' over my family and that it shows where my priorities really are.

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My brother backed her up and said I’m being rigid and inconsiderate.

Now my parents are getting involved.

They’re not outright telling me to move it, but they are saying things like 'family should come first' and hinting that it would be 'very sad' if my brother isn’t...

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I feel bad.

I really do.

But at the same time, this day matters to me and my fiancée, and changing it would have a huge ripple effect for a lot of people, not just us.

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So now I’m stuck wondering if I’m being reasonable or if I’m actually the selfish one here.

Community Opinions

The Reddit community rallied heavily behind the groom, with an overwhelming majority calling out the brother and sister-in-law's staggering entitlement.

u/grandemyrrh
Stick to your plans. “Family understand!” I love my family and they would not request such accommodations at the personal and financial cost.

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u/dizzy9577
It is unfortunate timing but you are 100 NTA.
It’s completely insane to expect someone to change their wedding date three months in advance.

u/Rage_fotf NTA at all. Do not move it. I had a friend who went into labour and gave birth on the day of her brother's wedding. They didn't know she...

u/Mango_Design_0192 Just no, do not reschedule your wedding. They can choose to come or not, up to them. But you won’t move a date, so close now, while inconveniencing all...

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u/GrowFlowersNotWeeds If your parents are saying things like “family should come first”, why are they saying it to YOU, and not to your BROTHER? Your brother has little to lose...

u/PoisonedSmoke420 Ask if they are will to cover what you lost and to reach out to your guests personally to explain why the dates will be changed. See how many...

u/crackerfactorywheel
NTA.
The timing sucks but as you said, your wedding has been in the works for over a year sad you’re being pretty understanding.

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u/Shoesietart Their request is ridiculous. Changing a wedding after arrangements have already been made is enormously expensive. But, more importantly, conflicting life events will always occur. We can't be in...

u/Perfect-Storm-t3 NTA It’s your day and just because she’s due 2 weeks before your day doesn’t mean that’s the day she delivers. Only if she’s having a scheduled c-section. Also...

u/UsefulWeird
My sister was 8.999 months pregnant at my wedding.
If she’d been unable to attend we would have all been disappointed but there would not have been any drama.

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u/MoonlightWolf06 So would your brother, sister-in-law, and parents be reimbursing everyones money that they won't be getting back? If they say that would be silly of them to do then...

u/vthorsegrl My nephew was born about three weeks before my wedding. They came. It was fine. And you know what, if they hadn't been able to they wouldn't have expected...

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u/Kat092620
Who is paying for the wedding? Do your brother or parents plan on making up for all the lost money?

u/WillaLane A wedding isn’t just about you, you have dozens if not hundreds of other guests who have made arrangements in their lives to be with you for your day....

u/CaptBlackfoot Is the wedding in the same town as brother and SIL? There’s no guarantee when the baby will be born. Maybe it’s an option for your brother to attend...

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A few commenters even suggested sending the family an itemized bill of the cancellation fees to put the financial reality into perspective.

Every family faces moments where major life events collide, testing the strength of their relationships and their capacity for empathy. While it is incredibly sad when key family members cannot attend a wedding, expecting a couple to absorb massive financial losses and inconvenience dozens of guests is a heavy ask.

A wedding is not just a simple party; it is a community gathering that requires months of coordination, trust, and shared joy. True support means celebrating each other's milestones, even when life's timing is far from perfect. Do you think the groom is right to stand his ground, or should he have found a way to postpone for his brother? How would you handle this level of pressure from your own parents? Drop your thoughts in the comments.

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