This week, the tiny cluster of cells (soon to become your baby!)

Your soon-to-be fetus is still a cluster of cells that are growing and multiplying.

Only 8 months to go!

Your baby at week 3

But don’t underestimate its potential.

In other words, congratulations!

The fertilized egg contains 46 chromosomes 23 from each biological parent.

Your baby at week 3

The mother always provides an X chromosome, but the father can provide either an X or a Y.

If the sperm that fertilizes your egg carries an X, the XX zygote will be a girl.

It could be a sign that you’re pregnant!

Your baby at week 3

It can ramp up your morning sickness even more.

Another thing to try?

If youre 3 weeks pregnant, you’re in month 1 of your pregnancy.

Your baby at week 3

Only 8 months to go!

Here’s some more information onhow weeks, months and trimesters are broken down in pregnancy.

How big is my baby at 3 weeks?

vanilla bean seed

You ovulated this week, and the moment youve been waiting for has finally arrived: Youve conceived!

Meaning your soon-to-be-fetus has started on its miraculous transformation from solitary cell to bouncing baby boy or girl.

But your zygote doesn’t stay single for long.

vanilla bean seed

Watch your baby grow week-by-week with theWhat to Expect app!

Implantation

Tiny?

But don’t underestimate its potential.

Baby on board!

In other words, congratulations!

You’ve got yourself a baby-in-the-making, ready to begin the incredible journey that will end in your arms.

Boy or girl?

Baby on board!

So will your lone little cell miraculously becomea girl or a boy?

Ready for a crash course in biology?

The fertilized egg contains 46 chromosomes 23 from each biological parent.

Baby on board!

The mother always provides an X chromosome, but the father can provide either an X or a Y.

If the sperm that fertilizes your egg carries an X, the XX zygote will be a girl.

If the sperm is Y-bearing, your XY zygote will be a boy.

Baby on board!

that’s heading for the uterus, its home for the next nine months.

So what’s happening inside this week?

Pregnancy and sense of smell

Do scents suddenly seem stronger to you than ever?

Baby on board!

It could be a sign that you’re pregnant!

The downside of your new superpower?

It can ramp up your morning sickness even more.

Baby on board!

you’re free to also try washing clothes more often and switching to unscented toiletries.

Toss some berries in your cereal.

Iron can be found in soy, beef, poultry and dried fruit.

Baby on board!

So theoretically you could take one this early if you wanted to!

If you’re late and negative, retest in a few days.

Now that youre in baby-making mode, its time to trade your cocktail for amocktail.

Baby on board!

A glass or two especially so early on in your pregnancy is unlikely to cause serious harm.

More twins and triplets are being born in the U.S. than ever before.

But thechance of getting pregnant with twinsis still small about 3 in 100.

Baby on board!

Water helps your body absorbessential nutrientsand shuttle them into the blood cells, which are then transported to theplacenta.

Youll know youre drinking enough fluids if your urine is pale or colorless.

Prices and details are accurate as of the published date.

The journey begins

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The journey begins

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The journey begins

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