1.TRIMESTER (First 3 months) BETWEEN 1-14 WEEKS
1 - 4. Week
- Ovulation occurs.
The timing is right. All that is required now is the fertilization of this egg.
- Fertilization takes place
The resulting structure is called 'embryo' until the first 8 weeks.
Did you know that the capacity of the uterus increases 1000 times during pregnancy?
- Gender
Immediately after fertilization, it is clear whether your baby will be a boy or a girl. Gender is determined according to whether the sperm chromosome is "X" (female) or "Y" (male). There is nothing the mother can do at this stage because the egg contains only the X chromosome. You have to wait for the 2nd trimester (three months) to see the gender with ultrasound.
- Nesting into the uterus (implantation)
10-14 days after fertilization, spotting-like bleeding may sometimes occur during the implantation phase into the uterus. This can be confused with menstrual bleeding, but is usually lighter and shorter.
4. Week
- You begin to suspect that you are pregnant.
- The cluster of cells settled in the uterus is divided into two:
1- The half adjacent to the uterine wall will form the 'placenta' (the baby's partner).
2- The other half facing the uterine cavity will form the baby.
- The liquid environment inside the uterus, that is, 'amniotic fluid', begins to form.
- The cerebrospinal canal is formed. Between weeks, the brain, spinal cord, hair and skin develop. The expansion at one end of the tube will form the brain. The foundations for your baby's thoughts, feelings and much more are already ready!
- The heart and primitive circulatory system are formed rapidly
Even though it is still in its infancy, the development of this system that will ensure the continuity of life is undoubtedly very important.
- Development in lungs, stomach and liver It starts to swell.
5. Week
- The first heartbeat begins in the 5th week
The 26th day after fertilization is when the first heartbeat begins. Even though you may not recognize this week's image as a 'baby', there is no feeling as exciting as seeing the heartbeat on the screen.
The placenta begins to function:
The umbilical cord and 'chorionic villi', which enable the embryo to hold tightly to the uterus, develop from the placenta. The place where the baby in the womb clings to life is the 'umbilical cord'. While providing your baby with oxygen and necessary nutrients throughout the pregnancy, it also cleans the residues.
- In this week, blood is now pumping.
4 chambers of the heart have started to work.
- The outline of all basic organs has been formed.
The lungs and brain of the embryo begin to appear. Self-programming towards lifelong learning has already begun!
- Folds appear on both sides of the brain where ears will develop
- Since the cerebrospinal system develops faster than the rest of the body, it gives a tail-like appearance. - Arm and leg buds appear. Even though they do not have a remarkable appearance, they feed our imagination about the shape they will take in the future. It's okay to dream about your daughter dancing or your son kicking a ball. Its size is about the size of a raisin.
- Its size is about the size of a raisin.
6. Week
- Embryo length is 6 mm.
- You have already started to feel the symptoms of pregnancy.
- Arms and legs continue to develop.
Limbs continue to grow. Get ready to feel the kicks and elbows further on!
- The neural tube connecting the brain and spinal canal closes.
- The brain is also developing:
You know that in the remaining weeks, your baby will develop more than 100 trillion brain cells. Did you? This is just the beginning!
- The lenses in the eye appear in the 6th week.
When your baby is examined with ultrasound, it is seen that it is slowly gaining the appearance of a newborn.
- Nostrils have formed
The nose has settled into its normal position. In the next stage, nerve connections between the nose and the brain will be established!
- The intestines develop
In the first stage, the intestines begin to develop outside the body, inside the umbilical cord.
- Pancreas:
Now your baby is equipped to use the sugar he needs.
7. Week
- The tail-like appearance disappears.
- Elbows form
Now you can see bending and breaking movements in the arms.
- Even though the hands and feet are like shovels, small buds of the fingers begin to appear.
Fingers will be your baby's first toys! Could there be anything as miraculous as feeling that your baby has already left 'footprints' on your heart?
- The basic muscular system has developed
Now the embryo is trying to move.
- The baby's facial features are visible.
The entire face, including the mouth and tongue, becomes clear.
- Ears, eyes and nose also begin to appear
Even though it may look like an 'alien', they will all fall into place in a short time.
- Teeth begin to develop within the palate
At least for now, you don't have to deal with toothache!
- The intestines begin to develop within the umbilical cord
The number of beats per minute is 150! Twice as much as yours!
- Basic muscular system is developed
Did you know that the intestines are not formed inside the body?
- The baby has its own blood group and the production of blood cells begins in the liver.
8. Week
- Your unborn baby plus It is called 'fetus'.
- It is the amniotic sac that protects the fetus and the amniotic fluid that fills it.
The fetus begins to swim in the sac.
- The body has grown and reached a size that now takes up space.
-Since brain development is very rapid, the head appears larger than the body
Brain waves can now be detected.
-The basic structure of the eye has been formed
Its position is already the same as in a newborn!
-Teeth, palate, tongue and ear structures become evident.
- While the arms and legs continue to grow, the fingers are now well defined, even though they are short and blunt!
- Cartilage and bones begin to form
At the end of this week, your baby has completed one fifth of his journey until birth.
- Since the skin is like parchment paper, the veins can be observed.
- The intestines migrate from the umbilical cord into the abdomen.
- At the end of the 8th week, the baby's height is measured as the 'head-rump distance'
br /> It is 1.6 cm. The fetus, which is the size of a grape, weighs 1 gram. is up to.
9. Week
- Now, baby movements have started:
Even though it is too small for you to feel it, your baby has started to turn, writhe and move around!
- Many joints have now formed
Movements began to diversify. Get ready to watch the dance!
- Your baby can make grasping movements with his hands
This is amazing to watch!
- Fingerprints are already evident on the skin.
- His eyelids are attached
It will remain like this until the 27th week.
- This week his average height is 2.3 cm. and its weight is 2 grams.
10. Week
- Your baby's most important developmental stage has now been completed.
From now on, get ready for the transition to the rapid growth phase.
- Even though it looks a bit strange, your baby's head is now complete. It has become half its height
In a short time, the remaining parts of the body will also catch up with this development; However, the rate of brain development continues rapidly.
- The iris begins to develop
Eye color is also determined at this point.
- The placenta begins to function fully as of this week.
The placenta, between the mother and the baby. It is the tissue that provides all communication. While providing nutrients to the baby, it also transmits the waste to the mother, ensuring the healthy development of the baby.
- The heart has reached the structure of the newborn.
There is a circulation specific to the fetus that 'by-passes' the lungs.
- The wrist and ankle have become evident.
- At the end of this week, the baby's height is 3.1. cm and weighs 4 grams. is up to.
11. Week
- Almost all vital structures and organs have formed and started to function.
- Fingers and toes are noticed one by one
How valuable are these tiny feet to you now!
/> - Hair and nails begin to grow.
- External sex organs begin to show genetic gender characteristics.
After a few weeks, the gender can be clearly determined on ultrasound! A little patience.
- As the kidneys start to work, the amount of amniotic fluid begins to increase.
This fluid, which consists mainly of water, is like a pillow that protects the baby in the womb.
- The intestines begin to contract slowly
- The head constitutes half of the body.
- 4 cm as this week ends. tall, 7 grams. You have a baby weighing 100 kg.
12. Week
- The brain is fully developed
The fetus can perceive the sensation of pain.
- Vocal cords begin to form:
There is no doubt that you can't wait to hear your first scream!
- Eye The eyelids cover the entire eyeball. Thus, the very sensitive optic nerve is protected. B. Those precious eyes begin to get closer – I wonder who their eyes will look like?
- The ears settle into their normal positions on both sides of the head.
- Thumb sucking has begun.
- Hair and soft nails appear.
- The intestines completely return to the abdomen.
- The liver starts to work now. Cleaning the blood, storing nutrients and providing necessary substances is a very important milestone in the development of the baby.
- The pancreas starts producing insulin and the kidneys start producing urine.
- Guess the size of the baby? Exactly 5.5 cm. and 15 gr.
13. Week
- If you had the opportunity to take a look inside, you could observe the beginning of breathing movements.
- Cartilage tissue begins to give way to bone tissue.
The rib cage becomes clear.
- Eyes and ears develop. and continues to slide towards their normal places.
- The back of the baby's neck becomes more prominent and the chin is no longer leaning on the chest wall.
- Your baby can open and close his mouth.
- The hands have started to become more functional
He can now make a fist. begins to play.
- External genital organs have almost appeared
Maybe the gender can be seen.
- As of this week, all nutrition is provided by the placenta.
- You can hear the baby's heartbeat with Doppler in our next examination
br /> (Even if you can't hear it, it will be seen clearly on ultrasound) Your baby's heart beats much faster than yours. It's like a race that will end with birth!
- 7.5 cm by the end of this week. and 25 gr. weighs.
14. Week
- It is the beginning of hormone production.
- Thyroid hormone, which he will use throughout his life, begins to be produced.
- In boys, prostate tissue develops.
- In girls, it begins to develop in the abdomen. The growing ovaries begin to descend to the groin.
- He is now ready to suck his thumb!
- Your baby's bones begin to strengthen and harden!
- His skin is still very transparent.
- His whole body is called 'lanugo'. It is covered with very fine hairs (Latin origin meaning 'down')
These continue to grow until the 26th week – These hairs usually fall out after birth
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