How Developed Is A Baby At 4 Months Pregnant

4 Months PregnantSource:


Congratulations, you’re four months pregnant! You’ve probably already noticed some changes in your body and might be wondering how your growing baby is developing. In this article, we’ll break down the different stages of development your baby is going through during the fourth month of pregnancy.

What’s happening inside your womb?

At four months pregnant, your baby is around the size of a large peach, measuring around 5 inches long and weighing approximately 5 ounces. Your baby’s head is now in better proportion to their body, and their facial features are becoming more defined.Your baby is also starting to develop reflexes, which means they will begin to move their arms and legs in response to stimuli. However, you won’t feel these movements just yet as they are not strong enough to be detected from the outside.

The development of your baby’s senses

During the fourth month of pregnancy, your baby’s senses are rapidly developing. They can now hear sounds from outside the womb and may even respond to familiar voices or music. Your baby’s taste buds are forming, and they can now taste the amniotic fluid they are surrounded by in the womb.Your baby’s eyes are also developing, and although their eyelids remain closed, they can detect changes in light. Their retinas are also becoming more sensitive to light, which means they can distinguish between light and dark.

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Organ development

At four months pregnant, your baby’s organs are continuing to develop. Their liver, pancreas, and spleen are now functioning, and their digestive system is starting to work. Your baby’s kidneys are producing urine, which they will eventually start to release into the amniotic fluid.Your baby’s heart is now fully formed, and you may be able to hear their heartbeat during a prenatal checkup. Their lungs are also starting to form, and although they are not yet ready to breathe air, they are practicing breathing movements.

The importance of a healthy pregnancy

It’s important to remember that your baby’s development is directly influenced by your health and lifestyle choices during pregnancy. Eating a healthy diet, staying hydrated, and getting regular exercise can all help to support your baby’s growth and development.Avoiding alcohol, cigarettes, and drugs is also crucial as these substances can negatively impact your baby’s development. It’s also important to attend all of your prenatal checkups to ensure that both you and your baby are healthy.


At four months pregnant, your baby is rapidly developing and growing. From their facial features to their organs and senses, they are going through a lot of changes. Remember to take care of yourself during pregnancy to support your baby’s growth and development.

Frequently Asked Questions

Q: Can I feel my baby move at 4 months pregnant?
A: It’s possible, but unlikely. Your baby’s movements are not yet strong enough to be felt from the outside.

Q: How big is my baby at 4 months pregnant?
A: Your baby is approximately 5 inches long and weighs around 5 ounces.

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Q: Can my baby hear me at 4 months pregnant?
A: Yes, your baby’s hearing is developing, and they can hear sounds from outside the womb.

Q: Is it safe to exercise during pregnancy?
A: Yes, gentle exercise is safe and can even benefit both you and your baby’s health.

Q: How often should I attend prenatal checkups?
A: It’s recommended to attend prenatal checkups once a month until 28 weeks, then every two weeks until 36 weeks, and then weekly until delivery.

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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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