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20 Weeks Pregnant: Week-by-Week Guide

20 Weeks Pregnant: Week-by-Week Guide

Congratulations! You’re 20 weeks pregnant. At this stage of your journey, new developments are beginning to unfold. Check out this week-by-week guide to find out what’s in store for your body and your baby at 20 weeks.

  • What trimester is 20 weeks? Second trimester
  • How many weeks of pregnancy are left? 20 weeks—you’re halfway there!
  • How many months is 20 weeks pregnant? You are five months pregnant.

With week 19 of your pregnancy complete, you’re on week 20. Enjoy it, as week 21 is on the horizon! 

One of the most exciting things about pregnancy is how many changes you’ll experience with your little one over the span of just seven days! Here are some tips and tricks to keep on top of all that’s happening.

Your baby at 20 weeks pregnant

What’s happening in there

  • Your baby is the size of a sweet potato.
  • You’re officially at the halfway mark.
  • The countdown continues: You’ve got 20 weeks to go!

What happens during the 20th week of pregnancy?

  • It's a: With baby’s sex organs formed, the second trimester ultrasound will tell you the gender of your little creation.
  • Belly button movement: If you had an innie belly button, by now, it’s becoming an outie on your rapidly expanding belly.
  • Mind-expanding: With all the billions of neurons growing, your baby’s brain is taking shape, with the grooves and folds adding precious surface area to hold all those brain cells.

What should I be feeling at 20 weeks pregnant?

  • You will be feeling all kinds of things at this time, including, potentially, those first little kicks.
  • All that growth may be putting some pressure on your lungs, bladder, stomach, and kidneys.
  • With your baby (and your tummy) now growing rapidly, you’ll be able to try on some of that cute maternity wear.

How big is your baby at 20 weeks pregnant?

20 Weeks Pregnant

Baby Weight 10 ounces
Baby Length 6.5 inches
Baby Size Comparable to a sweet potato or a banana

Week 20 pregnancy symptoms

During week 20 of pregnancy, your body is changing quickly. As your baby grows, you will too, and there are certain pregnancy symptoms you may experience at this time.

11 common week 20 pregnancy symptoms

  1. Your hair and nails may be experiencing a growth spurt of their own, due to the wonders that are pregnancy hormones.
  2. The second trimester is smooth sailing for morning sickness, but that doesn’t mean you won’t struggle with indigestion and pregnancy heartburn.
  3. Swelling and edema are common at this point.
  4. Your uterus is expanding and can push up against your lungs, making you feel short of breath.
  5. Your sleep may be getting disturbed. A few basic changes can help improve your sleep during pregnancy.
  6. Rising hormone levels can cause an increase in vaginal discharge. 
  7. At 20 weeks, your baby bump should now be visible.
  8. Your expanding bump may cause your belly skin to itch. 
  9. You may feel butterflies in your belly as you start to experience “quickening,” the fluttery sensation of your baby wiggling in your uterus. 
  10.  Your appetite may be increasing. Those hunger pangs are a sign of your growing baby’s nourishment needs.  
  11. You’ll be continuing to gain weight while pregnant

3 tips for week 20 for a healthy and safe pregnancy

Being 20 weeks pregnant is an important time for you and your baby. Here are some tips on how to adjust to this new stage to keep you and your baby safe.

  • Pump up the iron: Your iron supply is probably depleted now. As anemia is common when pregnant, you should switch up your diet with iron-rich food or consider taking a supplement.
  • Everything is in order: If you haven’t had it yet, the mid-pregnancy check-up will allow your OB to check that everything is in orderand if you want to know, it can reveal your child’s gender.
  • What's up, doc: 20 weeks pregnant is an excellent time to start interviewing pediatricians. Ask friends, family, and coworkers for referrals. Then, set up consultation appointments. Some topics to cover: the office’s hours of operation, hospital affiliation, and resources for new parents. For more questions to consider asking, check out "Finding a Pediatrician."

Week 20 pregnancy checklist

Knowing what to do week by week can help you feel prepared and alleviate stress. Add these new items to your to-do list this week. You’ve got this, mama!

Week 20 Pregnancy To-Dos Complete
Start interviewing pediatricians Start interviewing pediatricians is complete
Decorate the nursery Decorate the nursery is complete

Learn more about your pregnancy, including pregnancy planning and pregnancy nutrition, to feel prepared to continue this magical adventure. You’re armed with the facts and know what to do, so now you can take time to connect with the little one growing inside you.

With week 19 in the rearview mirror and week 20 of your pregnancy going strong, look to the future and what's coming up in week 21!

Join Enfamil Family Beginnings

At 20 weeks pregnant, you’re at the halfway mark. Start preparing for your new arrival with Enfamil Family Beginnings. It’s the perfect resource for new and expecting moms. Save on Enfamil products, track your bump and baby’s growth, and get helpful articles each week relevant to your journey. Join now for up to $400 in free gifts.