growth of the baby during pregnancy

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The Killing Weeks Of Your Baby

You may be aware of the fact that it takes about approximately 20 weeks for a baby to be form fully in the wom from the day of its conception. while it takes 42 weeks to be born on the earth.

You can have an idea if you go through the following informations given in this page as to when and in what period of time the conceived baby grows to what stage. In most of the cases abortions are done in this 20 weeks. After 20 th week normally they dont seek abortion.

If you consent for an abortion between 1 to 20 weeks, you may have an idea at shat stage of growth of your baby you are destroying its life seeing this page.

This awareness, I believe, will stop you from committing or saying "YES" to undergo abortion if you are involved in it. Otherwise you may perhaps advice, help and guide your friends & relatives to overcome the thought of killing their unborn babies.



1-3 Weeks

Because pregnancy is dated from the first day of your last period, for the first two weeks of pregnancy you're not actually pregnant. Your baby will be conceived by the end of the second week.

Even though you are considered three weeks pregnant, your baby is in the first week of development. At this point of the pregnancy, the fertilized egg is very small and does not look like a fetus or a baby. The fertilized egg is actually a group of cells that continues to multiply and grow very quickly. The fertilized egg divides within a few hours to give a two cell zygote, then a four-cell zygote and after about four days a blastocyst. The blastocyst has approximately one hundred cells! It is size of the head of a pin and is about 0.006 inches long.


4th Week

At this point in your pregnancy, your growing baby is very small and is about 1 mm in length.

The implanted embryo is embedded deeper in the lining of your uterus and the amniotic cavity is beginning to form. The placenta is also forming and will be delivering oxygen and nutrients to your developing baby. This week the blastocyst begins to transform into an embryo. The embryo will have three different layers with different types of tissue. The inner layer will form the lungs, liver, digestive system and pancreas. The middle layer will become the skeleton, muscles, kidneys, blood vessels and heart. The outer layer will become the skin, hair, lenses of eyes, tooth enamel and the nervous system.

At this point, your baby is still not visible to the naked eye.


5th Week

Your `fetus`, about 5 weeks old .The baby has not grown very much from last week and is now approximately 1.25 mm long.

As early as this week, the plate that will become the heart has developed. Your baby's brain, spinal cord, muscles, and bone formation are also beginning to form. The baby's skeleton is forming at this time as well. The embryo has a distinct organization that has a top, bottom, left, right, front and back.


6th Week

When talking about the size of a developing baby, most healthcare providers will discuss the size in terms of `crown-to-rump` length. Crown-to-rump length simply means the distance from the top of the baby's head to its buttocks. Because the baby's legs are usually bent or tucked inwards, crown-to-heel length is hard to determine. By the sixth week of pregnancy, your developing baby is 2 to 4 mm long.

Although you will not be able to hear your baby's heartbeat with a Doppler yet, you might be able to see it beating if you have an ultrasound now.

From week 6 to week 10 of in pregnancy it is called embryonic period. This is a very important time of development for your baby and the embryo is most susceptible to experience developmental interferences at this time. Although the embryo is still very small, it is growing and developing rapidly. Your baby's early brain chambers are forming and the eyes are also beginning to form. Buds will appear and will develop into arms and legs in later weeks.

The heart is starting up. The fetus` blood group may be different from your own! Facial features are visible, including a mouth and tongue. The eyes have a retina and lens. The digestive system starts forming, beginning with the first cells of the stomach and the intestine. There are small indentations in the head, ready for the development of facial features, eyes, and ears. The outline of the jaw starts to form.


7th Week

This week your baby has an amazing growth spurt. At the beginning of this week, your baby is approximately 4 to 5 mm and by the end of the week it has more than doubled to 11 to 13 mm! Your baby weights approximately 0.03 ounces.

Your baby's leg and arm buds are longer now and they have divided into segments where the hands and feet will be. The hands and feet also have an area where the fingers and toes will begin to form. At this point of your pregnancy, the heart is bulging from the body and it has divided into right and left chambers. The brain's hemispheres are continuing to grow and the air passages into the lungs are visible. Your baby's eyes are beginning to get pigment. The nose is developing and the beginning of the face can be seen. The baby's abdomen is developing quickly and the appendix and pancreas are already present. Your baby's digestive tract is beginning to form and the hindgut is present.

The baby's limb buds are growing quickly, and they actually look more like arms and legs, with small separations which will become toes and fingers.


Embryo's Hand & Foot Development In week 7 & 8

8th Week

By the end of your second month of pregnancy, your baby is about the size of a pinto bean and is approximately 14 to 20 mm long.

Your baby is developing at an amazing rate during these early weeks. Eyelid folds and ears are forming. Your baby's eyes are still very wide apart on the sides of her head, but will eventually center themselves out. The tip of the nose is actually present at this time as well. On ultrasound you can see that the aortic and pulmonary valves of the heart are present. The tubes that lead from the throat to lungs are branching and your baby's torso is getting longer and beginning to straighten out. Just a few weeks ago, your baby's arms were tiny buds. Now the elbows are actually present and the arms and legs extend forward and have grown longer. Fingers and toes are becoming visible also.

The tiny person is protected by the amniotic sac, filled with fluid. Inside, the child swims and moves gracefully. The arms and legs have lengthened, and fingers can be seen. The toes will develop in the next few days.

The umbilical cord contains 3 blood vessels which link your baby's system to yours. The big one supplies your baby with blood which is rich in oxygen. The two smaller blood vessels return blood to the placenta. This blood is low in oxygen, and full of waste materials. At birth, umbilical cord can be two to four feet long.



9th Week

Your baby now is about the size of a medium green olive. The crow-to-rump length is 22 to 30 mm and the baby weighs 0.12 ounces.

Although the baby is still very small, it is beginning to look more like a human being. Your baby's back is straightening out and the tail is shrinking. In proportion to the rest of his body, the head is large and remains curved forwards onto the chest. The head is erect and the neck is developing well. Even though your baby's eyes are well developed, they are covered by a membrane lid. The eyes will not begin to open and close for quite some time still. Your baby will begin to make tiny movements as the muscles start to develop. You will not be able to feel any of these early movements, but you might be able to see them during an ultrasound. The arms and hands are progressing faster than the legs and feet at this point. By this time of your baby's development, the hands have defined finger ridges and the tissue between them will die off to leave separate fingers.

In week 9 (7 weeks after conception) the fingers are clearly visible.


10th Week

At this point of your pregnancy, the crown-to-rump length of your developing baby is 1.25 to 1.68 inches. It is now easier to tell how much the baby weighs since he is beginning to put on some weight. Your baby weighs approximately 5 grams and is the size of a small plum!

The fingers and toes have separated and the tail has disappeared now. Your baby has taste and tooth buds at this point, which will continue to develop. The brain will continue to grow at an amazing rate and nearly a quarter of a million new neurons are produced every minute! The embryonic heart is completely developed. External genitalia are not apparent until next week, but a male's testes will already be producing testosterone.


11th Week

Your baby continues to grow and is now approximately the size of a large lime! The crown-to-rump length of your developing child is 1.75 to 2.4 inches. The weight of the fetus is approximately 8 grams at this point. The growth of your baby is phenomenal now and your baby's length will double in the next three weeks. The head is grossly out of proportion and is almost half of the baby's length.

This is the last week of the embryonic period. From now on, your baby will be called a fetus. Your baby's fingernails appear this week! External genitalia are beginning to show distinguishing features and the development of male or female will be complete in three weeks. The placenta's blood vessels increase to provide your baby with the nutrients and oxygen he needs for continued growth. Your baby's ears are gradually moving from the neck towards the sides of his head. Inside of your baby's abdomen, the intestines are developing. Because the intestines are so large, some of them project into the umbilical cord and they will return to the abdomen within the next week or two.

At the size of a plumb, your baby is now able to swallow. The urinary system functions. The baby swallows and urinates the amniotic fluid and the fluid is continually replaced. The baby is kicking but the mother cannot feel it yet. All vital organs are formed and, for the most part, function normally. From now on, they will grow in size and efficiency.

As a preparation for breastfeeding, your baby now has learned to swallow. Babies swallow amniotic fluid in the uterus.


12th Week

Your baby's crown-to-rump length is almost 2.5 inches and she now weighs between 8 and 14 grams! In just three weeks, your baby's size has more than doubled and begins to look a lot more human. Even though you won't be able to feel your baby moving at this time, you can stimulate him and he will squint, open his mouth and move his fingers or toes.

Your baby's skeletal system now has centers if bone formation in most of the bones. The digestive system is capable of making contractions that push food through the bowels and it is also able to absorb sugar. The pituitary gland beginning to make hormones. You will probably be able to hear your baby's heartbeat with a Doppler at this time!

Your baby develops reflexes and the skin is very sensitive. The brain is fully formed, and the child can feel pain. the baby may even suck his thumb. The eyelids now cover the eyes, and will remain shut until the seventh month to protect the delicate optical nerve fibers


13th Week

Your baby weighs 14 to 20 grams. The crown-to-rump length of your growing baby is 2.6 to 3.1 inches.

Tissue that will form your baby's bones is being laid down, especially around the head and limbs. The nose and chin are becoming more prominent. Your baby's eyelids meet and fuse together and they will not open again for nearly four months. The eyes started out on the side of your baby's head and they are now moving closer together on the face. The ears come to lie in their normal position on the sides of the head. If examined outside of the womb, you will be able to distinguish male from female at this time.

The sockets for all twenty teeth are formed in the gums, and vocal cords are beginning to form.


14th Week

Your baby's crown to rump length is 3.2 to 4.5 inches long and he weighs approximately 1 ounce now.

At this time, your baby's face is becoming more developed. The cheeks and bridge of his nose appear and the ears move from the sides of his neck to much higher on his head. The eyes continue to come closer together. A big development from this week onward is the development of lanugo. Lanugo is the fine hair that grows over almost your entire baby. The hairs grow in whirled patterns that follow the grain of his skin. These patterns later give way to your baby's fingerprints. The lanugo will be shed before birth and replaced by thicker, coarser hairs. Your baby's thyroid gland has matured and starts to produce hormones. If your baby is a boy, the prostate will appear and the ovaries descend from the abdomen into the pelvis in baby girls.

The embryo`s soft cartilage is now being replaced with ` real` chalk bones. Your baby has eyebrows, but no eyelashes. Fine, light hair also begins to grow.


15th Week

Your baby's crown-to-rump length is approximately 4 inches and she now weighs approximately 1.75 ounces.

Your baby is growing at an amazing rate and looking more like a human every day. Because your baby's skin is so thin, you are able to see blood vessels through the skin. Lanugo hair covers your baby's body, but it will be gone when your baby is born. The hair on the eyebrows and head continues to grow. Some babies are born with little or no hair and others have a head full of hair! If you have an ultrasound at this point, you might be able to see your baby sucking its thumb. Even though the eyes continue to move to the front of the face, they are still widely separated. Your baby's ears look like normal ears and continue to develop externally. The bones that have already formed continue to get harder and retain calcium. The baby is very mobile and flexible at this point. She can bend her arms at the elbows and wrists and she can also make a fist with her hands.


16th Week

At this point of your pregnancy, your baby is approximately 4.3 to 4.6 inches long and weighs 2.8 ounces.

At this time, your baby is holding her head erect. Because her muscles are developing, she can make some faces now. Your baby is able to squint, frown and open its mouth. There is enough calcium in the bones that they will show up on an x-ray. Your baby's fingernails are well formed now and the legs are longer than the arms. Because your baby is moving well now, you may begin to feel his movements.


17th Week

Your baby's weight has doubled in two weeks and now weighs about 3.5 ounces! The crown-to-rump length of your growing baby is 4.4 to 4.8 inches.

This week fat begins to form and will continue to do so until he is born. Fat is important to the body's heat production and metabolism. Right now, at 17 weeks, water makes up about 3 ounces and fat 0.018 ounces of your baby's body. In a baby at term, fat makes up about 5.25 pounds of the total average weight of 7.7 pounds.

Your baby is more flexible with ability to move head, mouth, lips, arms, wrists, hands, legs, feet, and toes. Fingerprints are forming now.


18th Week

your baby's crown-to-rump length is 5 to 5.5 inches long. Your baby continues to develop fat layers and weighs about 5.25 ounces. Your baby will continue to grow and develop, but the rapid growth will slow down for a little while.

Around this time, your baby becomes more sensitive to the outside world and shows her presence through powerful kicks and prods. The bones through which sound is passed to the inner ear have hardened and the parts of the brain that receives and processes nerve signals from the ears are developing. This means that your baby can hear now. Your baby will get used to familiar sounds, such as your heart beating, familiar voices, blood rushing through the umbilical cord and other daily routine sounds. Your baby will become startled if he hears a loud sound.

If you have a stethoscope at home, you can now hear the baby's heartbeat yourself.


19th Week

Your baby's crown-to-rump length is 5.2 to 6 inches this week. Your baby weighs approximately 7 ounces and will increase its weight more than 15 times between now and birth!

One of the most amazing aspects of your baby's growth and development is that of the fetal brain. Your baby's brain is one of the first organs to appear. Your baby's oversized head shows the brain's importance in his development. Because the nerves that connect the muscles to the brain have grown into place, your baby's movements are consciously directed. Your baby's ears stand out from the sides of the head and the buds for your baby's permanent teeth appear. Your baby's arms and legs have reached their relative proportions and his feet are approximately one inch long.


20th Week

Your baby's crown-to-rump length is 5.6 to 6.4 inches. The fetus weighs about 9 ounces.

Your baby's skin begins to thicken this week and will develop four layers. Your baby's sebaceous glands secrete a waxy substance called vernix caseosa. Your baby will be born with this wax and it will look like paste. The vernix caseosa is crucial because it protects the fetus' fragile skin from the continuous immersion in amniotic fluid. Lanugo hairs secure the vernix caseosa in place and it is thick around the eyebrows. Scalp hair and toenails are beginning to form at this point. Hair can also be seen on the upper lip and eyebrows.




Source & Thanks To : www.i-am-pregnant.com
 
 

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