Childbirth Pregnancy

How Does Baby Progress in the Womb? – A Brief Description of Fetal Development

How Does Baby Progress in the Womb? – A Brief Description of Fetal Development

If you have ever asked yourself the question, how does a baby progress in the womb? We are going to try to answer your questions on this page. We will be discussing fetal development from the point of conception, through pregnancy, and ultimately childbirth.

Conception

We all know how this occurs so there’s no need to go into detail. At this point a woman’s egg is fertilized by a man’s sperm and this provides the genetic material the baby will need to grow and develop. Within just a few days the fertilized egg is dividing into many different cells and then the egg passes through the fallopian tubes and attaches to the uterine wall.

Month #1

During the first four weeks your baby is already developing structures that will ultimately become the head and neck. The heart and blood vessels are also beginning to develop as well as the lungs, liver, and stomach. It is also at this point that a home pregnancy test would show a positive result.

Month #2

During the second month of development the fetus will reach a little bit more than a half-inch long. Arms and legs are well formed at this point and fingers and toes are beginning to grow longer as well. Some facial features are starting to develop like eyelids, ears, and the tip of the nose.

Month #3

Nearing the end of your first trimester the fetus will be approximately 2 inches in length. When you get a check up your doctor may be able to hear the baby’s heartbeat. It’s also at this point that sex organs of the baby are becoming apparent.

Month #4

In weeks 12 through 16 of development the fetus will grow to approximately 4 1/2 inches long and may reach a weight of approximately 3 1/2 ounces. The baby’s heart and blood vessels will be fully formed by now. The baby’s eyes will be able to blink and the fingers and toes will even have fingerprints at this point.

Month #5

In weeks 16 through 20 weeks your baby’s progress in the womb is reaching the halfway point. The fetus will weigh approximately 10 ounces and maybe more than 6 inches long. At this point your baby can yawn, stretch, suck their thumb, and make faces. Your baby will begin moving and you may even be able to feel it.

Month #6

Baby is getting bigger and may weigh approximately 1.4 pounds. Your baby will also be able to respond to sounds, they may move or their pulse rate may increase. The baby’s inner ear will also be fully developed at this point and they will begin developing a sense of balance.

Month #7

Baby will reach approximately 2 pounds, 6 ounces at this point. It is at this stage of development that the baby will change positions and if you were to deliver your baby prematurely at this point, there is a good chance that the baby would survive.

Month #8

After 32 weeks of development your baby may be approaching 4 pounds in weight. There will also be a lot of movement and you will be able to feel it.

Month #9

Once your baby’s progress reaches the 36 week mark they may weigh approximately 6 pounds and be as much as 18.5 inches long. The lungs are nearly fully developed at this point and your baby’s head will be positioned down toward your pelvis as he or she is getting ready to be born.

Birth

At this point your baby is ready to be born. Delivery normally happens right around the 40 week mark. Hopefully some of your questions about baby progress in the womb have been answered on this page but you should also be consulting with your physician to get answers to any additional questions.

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