Fetal Development
Fetal Development answers your questions about the changes that take place in the womb during pregnancy. Learn about each of the three trimesters and the developmental milestones that occur in each.
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Very little is known about what or how fetuses see. This study shows their vision capabilities are more advanced than previously thought.
By Alia Hoyt
Thirty-nine weeks down, only one or two more to go! Here's what's going on with you and baby during these final days of pregnancy.
You're in the third trimester now, and your baby bump has swollen to a baby boulder! If you haven't decorated your nursery or picked out a baby name, it's time to get cracking. We've got a few more hints for moms at 28 weeks.
By Alia Hoyt
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While you might be experiencing less-than-pleasant things such as constipation and swelling in your hands and feet, take a look at the exciting developments happening with your baby during your 29th week of pregnancy.
Welcome to the big 3-0 -- your 30th week of pregnancy, that is. You've got about 10 weeks to go until your baby arrives, so let's take a look at what's happening during the homestretch of your pregnancy.
Fasten your seatbelts, ladies: While you may carry to 42 weeks (or, Lord help you, beyond), "full term" is just six weeks off. That means in a month and a half, you've got the green light to give birth to that tiny person you're carrying around.
By Julia Layton
What's the mind-body experience you'll have at 33 weeks? Every kick helps you count down to the day you'll deliver your little acrobat. The nursery's ready, but there are still some things to think about and some important preparations to make.
By Alia Hoyt
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By week 26, your discomfort, anxiety and excitement are probably growing at similar rates. Baby is roughly, astonishingly, just 14 weeks off. So what should you prepare for now?
By Julia Layton
By Week 10, if you were to look closely at your baby, you'd notice she doesn't look like a tadpole anymore. Her embryonic tail, at the bottom of the spinal cord, has disappeared and her rapidly developing spinal nerves have become visible. What else can you see?
From early on in your pregnancy, your baby is more like a newborn than you might think. Find out how he sleeps, moves around, listens to sounds and has thoughts and memories while still in the womb.
The journey of the fetus through pregnancy is a complex and fascinating miracle that scientists have broken into three phases -- the three trimesters that represent a nine-month pregnancy. Learn how a fetus grows