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Pregnancy Week By Week

3 Weeks Pregnant

Sperm met egg last week, and voila—you've made a baby! It’s so ridiculously early that when you’re 3 weeks pregnant, you may have no idea that you’re actually pregnant. Conception just happened a few days ago, and there probably hasn't been time for you to miss a period yet at week 3 of pregnancy.

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3 Weeks Pregnant Symptoms

When you’re 3 weeks pregnant, symptoms may not have appeared yet either. That’s because most early pregnancy symptoms are caused by pregnancy hormones, and you probably don’t have a very high level of those in your body yet. (Oh, but you’ll get there!) Some signs of pregnancy at 3 weeks—and the few weeks following—are:

3 Weeks Pregnant Belly

You may be excited to start noticing something different about your appearance, but at 3 weeks pregnant, a belly isn’t really a thing. Though you may feel a bit bloated, most pregnant women don’t start to show until around week 12, so you’ve got quite a way to go before you actually look pregnant.

Before you start eating for two, know that doctors only recommend most women gain three to five pounds total in the first trimester—that’s the first 13 weeks. So you definitely don’t have license to start indulging at three weeks pregnant. In fact, you shouldn’t really do anything different except try to eat a healthy, well-rounded diet and to take a daily prenatal vitamin with at least 400 micrograms of folic acid in it. Doctors don’t recommend increasing your daily calorie intake until the second trimester either. Once you hit week 14, you’ll want to add about 300 (healthy) calories per day.

3 Weeks Pregnant Ultrasound

Your now-fertilized (yay!) egg is on a journey through a fallopian tube, dividing and re-dividing into identical cells on its way to your uterus.

A 3 weeks pregnant ultrasound may not detect your soon-to-be-baby. That super teeny fertilized egg (called a marula) is smaller than a grain of salt and is on the move—but as early as week 4 your doctor may be able to see your uterine lining get thicker, a sign that the little marula has reached his or her destination for the next nine months. You guessed it: Your uterus.

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Pregnancy Checklist at 3 Weeks Pregnant

Reminders for the week:

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