A stranger smiles at your niece and asks if she's yours.
You say it again. "I'm the aunt."
You've said it dozens of times.
It clarifies the moment and nothing else.
Here's what lasts longer than repeating yourself.
Saying it louder was never the fix
"Some imply that I am a mother or that I have a baby, which makes me quite uncomfortable."
One donor wrote that, and if you've been the aunt at a party, you know the feeling.
You correct. They nod. Ten minutes later, someone else asks.
A correction fixes one conversation. The assumption stays standing.
So the fix has to be built from something sturdier than repetition.
First, the arithmetic
A typical aunt shares about 25% of her niece's genes.
A sister who donates shares about 50%.
I did that math the first time I looked at my niece's face.
Half is the number people usually save for a parent.
So why did I feel nothing like one?
My feelings turned out to be simple
Another donor put it plainly: "For me, my feelings toward her are those of a loving aunt, not a mother."
I read that and exhaled.
Genes explain the resemblance. They don't explain who gets the middle-of-the-night call.
Yes, I've privately wondered whether she got my good traits and not my bad ones.
That's curiosity, and it doesn't change who I am to her.
The job is the part I never signed up for
Parenting is a daily job. Meals, bedtimes, a thousand small decisions.
I see her about once a month.
I show up for birthdays and holidays, and I love every minute.
My sister does the rest, and she's wonderful at it.
Half the genes, none of the bedtimes.
I chose the aunt role on purpose
Nobody hands you this role. You pick it, out loud, before the baby arrives.
In one account, family counseling and legal agreements cost about $1,000 and took a month.
That paperwork covered legal parentage.
It said nothing about what anyone would be called at Thanksgiving.
That part was left to us.
What it cost, and what it bought
The ten days of timed injections come first. Then a short retrieval under anesthesia.
Then weeks of recovery. One donor counted roughly $9,000 in lost income, even with her sister covering medication, travel and lodging.
Her sister called the two-week wait "the longest, worst two weeks ever."
Then the baby came. "The joy on my sister and her husband's faces when she was born was priceless."
That joy is what the aunt role protects.
The label is not entirely mine
A donor-conceived commenter added something I hadn't planned for.
She pointed out that some donor-conceived people "do think of the donor as our mother."
I can't decide what my niece will call me at fifteen.
I can decide how I show up, what I say, and whether I say it the same way every time.
That's why one sentence matters more than a hundred corrections.
Big feelings don't disqualify you
Some donors feel baby fever after time with the child. Some joke about taking her home.
One donor took a few weeks away from her nieces and nephews when it became "too many feelings."
It protected her aunt role. It also risked looking like withdrawal.
So tell your sister why before you step back.
Feelings that get said out loud stop looking like threats.
The sentence you can actually use
Try this: "She's my niece, and I'm her lucky aunt."
It's true, so you never have to lie.
It leaves the child's story for her parents to tell.
It puts your sister where she belongs, as the mom, without saying a word about it.
It's also warm, so nobody feels corrected. Say it, smile, and change the subject.
Everyone at the table needs the same story
Your sister and her husband know your role. Do your parents?
One donor's mother said she'd treat the baby as her grandchild, and the donor couldn't tell whether to be moved or alarmed.
Your own kids will wonder, too, why their cousin looks like them.
Agree on the words before the holiday, not during it.
Ask your sister how and when the child hears her story.
Books and ordinary bedtime talk beat a dramatic reveal.
A late reveal risks a child feeling that "everyone has been keeping a huge secret from you your entire life."
But I already told everyone I'm the aunt
Maybe you're wondering whether you're overcomplicating this.
You settled the word. The adults agreed, and that counts.
But the word gets tested by strangers, by grandparents, and someday by your niece.
One conversation with your sister, before the next gathering, costs you an evening.
That's not overthinking. It keeps a good thing good.
Say it once more, and mean it
Next time someone asks, you won't be correcting them.
You'll be answering, in a sentence your sister could have written.
Try it at the next party.
Then ask your sister what she would add.