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The first 1,000 days: what new dads can do
From pregnancy to your child’s second birthday, a child’s brain grows faster than at any other time in life. Here is how to be part of it from day one.
August 13, 20262 min read
The first 1,000 days run from pregnancy to your child’s second birthday. In that short window, a child’s brain grows faster than it ever will again. What happens around them, and who shows up for them, shapes how they learn, feel and connect for years.
A lot of advice about this time is written for mothers. But you are not a helper here. You are a parent, and there is a part only you can play.
Before the baby arrives
Go to prenatal checkups when you can. You will learn what to expect, and your partner will not be carrying the questions alone.
Talk to the baby. Babies can hear voices before they are born, and yours can become familiar early.
Plan the first weeks together: who cooks, who covers the night feeds, who handles visitors.
The first months
Hold your baby often, skin to skin when you can. Change diapers, bathe, burp and rock. The everyday care is not a lesser job. It is how you and your baby learn each other.
Your partner is recovering too. Take a night shift where you can, bring food and water during feeds, and watch for signs that she is struggling with more than tiredness. If she seems low for more than a couple of weeks, help her see a doctor.
Talk, sing and answer back
Researchers at Harvard’s Center on the Developing Child call it “serve and return.” When your baby babbles, points or looks at something, that is a serve. When you answer with words, a smile or a name for the thing, that is the return. These small back and forth moments help build the foundations of the brain.
You do not need toys or apps for this. You need your face, your voice and your attention. Name the things you see on a walk. Sing in your own language. Answer every coo like it is the most interesting thing you have heard all day. Harvard’s five steps for serve and return are a good place to start.
Look after yourself
New fathers get tired, anxious and overwhelmed too, and that is normal. Talk to someone you trust. If the heaviness does not lift, see a doctor. Taking care of yourself is part of taking care of your child.
These days go quickly. Be in as many of them as you can.
