Is My Baby Fully Developed At 27 Weeks?

Baby In The WombSource:

Congratulations on reaching the 27th week of your pregnancy! As an expectant mother, you may be curious about your baby’s development at this stage and wondering, “Is my baby fully developed at 27 weeks?” Well, the short answer is no, but let’s dive into the details.

What Happens During the 27th Week of Pregnancy?

At 27 weeks, your baby is approximately the size of a head of cauliflower, weighing around 2 pounds and measuring about 14.8 inches in length. This week, your baby’s brain will start to develop more complex neural connections, and they will also begin to develop their sense of touch. Additionally, your baby’s lungs are continuing to mature, and their nostrils are beginning to open up.

What Does “Fully Developed” Mean?

“Fully developed” is a term that can be a bit misleading when it comes to fetal development. While your baby may not be fully developed at 27 weeks, they are well on their way! In fact, many of the organs and systems that your baby needs to survive outside of the womb are already in place by this point.

What Are Some Important Milestones My Baby Should Reach By 27 Weeks?

By 27 weeks, your baby should have reached several important developmental milestones, including:

  • The ability to hear sounds and recognize your voice
  • The formation of their taste buds
  • The ability to open and close their eyes
  • The development of their circulatory system
  • The ability to hiccup
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What Else Should I Know About My Baby’s Development at 27 Weeks?

While your baby’s organs and systems are continuing to mature, they are also starting to pack on the pounds. During the third trimester of pregnancy, your baby will gain around half a pound each week, so you can expect your little one to continue to grow rapidly in the coming weeks and months.

What Can I Do to Support My Baby’s Development?

While your baby’s development is largely out of your hands, there are some things you can do to support their growth and well-being during pregnancy. These include:

  • Eating a healthy, balanced diet with plenty of fruits, vegetables, and lean protein
  • Getting enough rest and staying hydrated
  • Attending all of your prenatal appointments and following your doctor’s recommendations
  • Staying active with doctor-approved exercise


While your baby may not be fully developed at 27 weeks, they are well on their way! By this point in your pregnancy, your little one has already reached many important developmental milestones and is continuing to grow and mature with each passing day. So, take good care of yourself and your baby, and enjoy this exciting time in your life!

Frequently asked questions about baby development:

  • How many weeks does it take for a baby to be fully developed?
  • What is the most critical time during fetal development?
  • What foods should I avoid during pregnancy?
  • Is it safe to exercise during pregnancy?
  • What can I do to help my baby’s brain develop?

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By administrator

I am a child development specialist with a strong passion for helping parents navigate the exciting and sometimes challenging journey of raising a child. Through my website, I aim to provide parents with practical advice and reliable information on topics such as infant sleep, feeding, cognitive and physical development, and much more. As a mother of two young children myself, I understand the joys and struggles of parenting and am committed to supporting other parents on their journey.

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