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Stages of Pregnancy Week by Week

Pregnancy Week 2

Read about how your baby's journey begins in week two including ovulation and fertilization.

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Your baby grows from the size of a tiny seed to a watermelon in just 40 weeks.

Month 1

Watch Your Baby's Growth

Sperm Meets Egg: Weeks 1 to 3 of Pregnancy
Sperm Meets Egg: Weeks 1 to 3 of Pregnancy

Something magical is about to happen! Watch as the ovulation process occurs, and then millions of sperm swim upstream on a quest to fertilize an egg.

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Your Changing Body

Is it official yet? Not quite -- but be assured that your body's got those baby-making mechanics well under way. After fertilization, your ovaries start ramping up the production of progesterone.

Your Developing Baby

So far your baby doesn't exist, but this is the week you ovulate. Your ovary releases a ripened egg (ovum) into your fallopian tube, where it will patiently await the sperm that have survived the 6- to 8-inch trek through your cervix and uterus.

Tip of the Week

Right now, you're just dying to find out: Am I pregnant or not? Unfortunately, you'll need to stick it out a bit longer. About four days after your egg is fertilized, it begins producing a hormone called human chorionic gonadotropin (HCG).

cup of coffee

Your Week 2 To-Do List

1. Reduce your caffeine intake.

pregnancy test

An Inside Look

Take a unique look at Baby's development inside the womb this week.

Pregnant woman crossing off the days until the birth

Your Pregnancy Calendar

Organize your doctor's appointments, save your ultrasound photos, and more--all in one place!

Ask Parents About Week 2

We've got answers to your questions from experts and parents who've been there.

See All Questions or Ask Your Own

Everything in Pregnancy Week 2

More About Your Pregnancy in Week 2

Your Baby

Your Body

  • Important First Steps

    Congratulations on your pregnancy! Be sure you're getting all the nutrients you need -- not just for your changing body, but for your b...

  • Getting Proof of Pregnancy

    What's hCG? Find out how it plays a big role in confirming your pregnancy.

Your Self

  • Your Partner: How Men React to Pregnancy

    Your partner may not react to your good news in the same way as your girlfriends. Find out why sometimes there is a difference -- and t...

  • Reacting to Your Pregnancy

    Feeling anxious about your pregnancy? That's normal. But if you find yourself obsessing, here are some tips to help you find the suppor...

Diet & Exercise

  • Conquering Obesity

    Mothers-to-be battling with weight may have an especially difficult time during pregnancy. Try these tips to help you get on a healthy...

  • Dealing with Epilepsy

    If you are epileptic, you can still maintain a healthy pregnancy. But you'll need to closely monitor your condition.

  • The Importance of Folic Acid

    Are you taking folic acid? If not -- be sure to start now. Here's why.

Q & A

First Trimester

Second Trimester

Third Trimester