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How to Write a Letter to Your Unborn Baby

Writing a letter to your unborn baby means talking to someone you have not met yet, and it is oddly easy once you start. During pregnancy, or even before, so much is happening inside you that you will soon want to put it into words. Here is why to do it, what to write, and how to keep it until your child can read it.

Updated on October 15, 2026

Why write to a baby who is not born yet

The months of waiting are a world of their own, and almost every parent forgets part of them: the doubts, the first names considered, the impatience, the fear too. A few years on, only a blurry impression remains. A letter to your future child freezes those months in their own words.

For the child, it is also a rare gift: knowing that you were thinking of them before they even existed, that they were awaited, that they already had a place. You do not need a grand plan. The letter can begin the day of a positive test, or earlier, when you are still saying "if we ever have a child."

What to write in a pregnancy letter to your baby

If you are wondering what to write in a pregnancy letter to your baby, start from what you are living, day by day. The tone can be tender, funny or hesitant. What matters is that it sounds like you.

Tell the story of how you found out and how it felt, the small changes in your daily life, what you imagine for them and what you worry about a little. Later, your child will feel they were already part of the family before they were visibly a member of it.

  • The day you found out: who was there, what you said
  • The ultrasound: what you saw, what the doctor said, the first time you heard the heartbeat
  • The first kicks, the hiccups, the moments when they seemed to react to music or voices
  • Choosing the name: the candidates you ruled out, the story behind the one you kept
  • The nursery: the color you picked, the furniture assembled together, the stuffed animals already waiting

Describe the world as it is right now

A child born today will grow up in a world that will change a lot, and they will love to know what it was like before they arrived. In hindsight, this part of the letter is often the most precious, because you never know ahead of time what will become unimaginable.

Describe what is going on around you: prices, a coffee, a loaf of bread, a tank of gas, rent, what everyone is talking about, the song playing everywhere, the phone in your pocket, the city you live in. A few lines are enough. In twenty years, those ordinary details will feel like time travel.

Two parents, two letters

Many of these letters are written by the person carrying the baby. But the other parent has things to say too, and they are not the same things. Each of you can write your own letter without showing it to the other: your child will read two distinct views of the same wait.

Grandparents, future godparents, or an older sibling can also leave a note. For single parents, same-sex couples, or blended families, nothing changes: there is no required format. What matters is that everyone who matters can add their voice.

  • The parent carrying the baby: the sensations, the exhaustion, the emotions, what changes in the body
  • The other parent: what they are looking forward to, what they are afraid of missing, their first promises
  • Loved ones: a family memory, a recipe, a saying that gets passed down

How to keep it until they can read it

The challenge is not writing the letter but preserving it for many years. A paper letter can go in a keepsake box with the hospital bracelet and the ultrasound picture. Date it, put it in an envelope marked for a specific age, and tell someone you trust that it exists.

For digital files, avoid leaving everything on a single phone: devices change, accounts close, drives fail. If you record a voice or a video (the heartbeat at the ultrasound, a lullaby), gather them in one place and decide now when your child will receive them.

Writing to a child who is not here yet: Future's future member profile

This is a particular feature of Future: you can send a capsule to someone who does not have a phone yet, or has not even been born. A capsule is a text, photo, video or voice message sealed today that opens only at the moment you choose. You create a future member profile for your child and start adding capsules during the pregnancy.

You choose when they open: on a specific date, at an age (for example their 18th birthday), or as a series, where each capsule opens a set number of days after the previous one. The day your child joins Future, they enter the invitation code you gave them and find everything that was waiting. Until then, they only know a capsule exists. You can delete one while it is sealed. Both parents can add their own capsules. Everything stays private, shared only between accepted family members, with no public feed and no ads, hosted in the European Union.

Your first capsule, tonight

Future is free on iOS (Android is coming), with 1 GB of storage and one-minute videos on the free plan. That is enough for a first letter, an ultrasound photo and a voice message. Twice a week, a challenge also suggests a memory to capture, like noting today's prices, which you can slip into the letter.

Take ten minutes tonight, tell the story of your day, what you feel, and what you want them to know someday. It does not have to be beautiful. It just has to be you.

Frequently asked questions

What should I write to my baby during pregnancy?

Tell them how you found out, what you felt, the ultrasound, the first movements, how you chose the name and set up the nursery. Add a few details about the world today, like prices or the music of the moment, so they understand the time in which you were waiting for them.

Can I write a letter to my future child before I am even pregnant?

Yes. Many parents write before pregnancy, during a long wait, or when they are not ready to talk about it yet. Such a letter captures the longing, the doubts and the hope, and becomes a precious record.

At what age will my child be able to read the letter?

That is up to you. Many parents choose an age when a child can understand, like 10 or 18, or a symbolic date. With Future, you can schedule the opening at a specific age.

Can both parents write their own letter?

Yes, and it is a good idea. Each parent has a different view of the wait. Each can add their own capsules to the future member profile.

How will my child receive all this later?

The day they join Future, they enter the invitation code you give them and find the capsules waiting for them. Each one opens at the moment you chose, not before.

Create your first capsule

Future is free on iOS, and coming soon to Android.

Get the app

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