1 Week Pregnant

Here's what's happening during Week 1 of your pregnancy.

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Your Growing Baby:

You're not really pregnant yet; the clock starts ticking from the first day of your last period. So even though pregnancies are said to be 40 weeks long, you actually carry your baby for only 38 weeks or so.

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Your Growing Belly:

For most women, the first 12 or so weeks of pregnancy are the most consuming because everything is all so new, so exciting, even overwhelming. To satisfy the little voice inside your head that keeps asking questions, here's a primer for the first trimester .

Tips & To-Do's:

Rules To Eat By

You are what you eat. That's old news. So is the fact that your diet during pregnancy affects your newborn's health. But the new news is that what you eat in the next nine months can impact your baby's health, as well as your own, for decades to come. Here are 10 easy nutrition rules that will benefit you both. 

Things to think about this week

If you haven't started already, you should be taking a prenatal multivitamin with 400 micrograms of folic acid daily (take 600 micrograms when you get pregnant). Here's expert advice to help you choose a good one .

NEW:  Listen to Our Week-by-Week Podcast All About Your Pregnancy 

Each episode of the new Pregnancy Confidential podcast, hosted by our editors, walks listeners through the physical, emotional and all-round quirks of each week of pregnancy. This is real-talk, girlfriend-to-girlfriend stuff—no hard-to-understand medical information here—taking you through the real feelings of pregnancy so you're never alone. And it'll have you chuckling all along the way. All episodes available now!