Today I want to teach these precious photos of a pregnancy week by week in pictures through which we can have a view of the incredible transformation that experiences the fetus since it is an embryo until birth.
We can see in detail how the baby grows, how their bodies are formed, how develop their upper and lower limbs and how slowly evolves during the 40 weeks of their intrauterine life until you are ready to be born.
Thanks to this collection of high quality images, we can observe the fascinating creation of the human being at every stage of gestation.
Images of the week 4 of pregnancy
The beginning of a life
In the fourth week of pregnancy, the embryo is two weeks of age. You do not have human appearance, but the bumps that will then be the head, body and arms of the baby can be distinguished.
It begins to form the neural tube and spinal cord belongs to the central nervous system of the baby. Also forms the placenta, which will be in charge of transmitting nutrients and oxygen to the baby throughout pregnancy. Meanwhile, this function is fulfilled by the yolk sac, an embryo attachment, which in will disappear in the next few weeks.
Images of the week 5 of pregnancy
It begins to differentiate the head that is much larger than the rest of the body and begin to form the small bumps that will then be the arms and legs.
Images of the week 6 of pregnancy
The size of a lentil
They begin to develop the optic vesicles on the sides of the head, which then form the eyes which will be located to the front. The bodies are in an early stage of development. It has the size of a lentil, between 2 and 4 mm, yet already can distinguish the arms with his hands and legs with her feet.
Images of the week 7 of pregnancy
As you can see the embryo on ultrasound and listen to the his heart beat. It has already formed the umbilical cord that will pass the nutrients the baby throughout the pregnancy. They begin to form the gallbladder, stomach, intestines, pancreas, and lungs.
Images of the week 8 of pregnancy
Arms and legs are distinguished
It has grown twice his size. Already distinguishable, eyes, eyelids, mouth, ears on the head and be recognized legs and arms that you stick out of the trunk, as well as the fingers of the hands and feet. Start to grow the vertebrae and ribs, and its skin is a thin translucent layer.
Images of the week 10 of pregnancy
The auditory pavilions of the baby are formed and begin to create small roots of which in the future will be the teeth and fingernails. It measures approximately 4 centimeters and has 5 grams of weight.
Images of the week 14 of pregnancy
End of the first quarter
The primary structures and organs of the baby they are already trained, all his organs are working although they have still enough to be fully developed. The size and weight of the baby at the end of the first quarter is 6 cm and 10 grams. Half their size corresponds only to the head.
Images of the week 18 of pregnancy
His skeleton, which until now was cartilaginous, begins to solidify. Around week 18 is when the mother you start to feel the baby’s movements inside the uterus. What until now was just a bubbling sensation becomes certain that the baby moves.
Images of the 20th week of pregnancy
It measures 16 centimeters and about 350 grams. Their lungs begin to practice the exercise of breath and your digestive system does the same by swallowing amniotic fluid. Your brain has 30,000 million neurons and is developing areas destined to the senses of taste, smell, hearing, vision and touch.
Images of the week 22 of pregnancy
Perceived stimuli from the outside
You can see eyelids, nails and eyebrows, although the latter still do not have color, are white. It measures each 27 centimeters and weighs almost 500 grams, even if your body fat is only 1%. From now on you will gain fat layers that help to regulate your body temperature.
His brain, in continuous development, experience around this week great progress in the limbic system, the midbrain, which manages physiological responses to responses emotions. It is an ideal time to begin to communicate with your baby in pregnancy, if you have not yet.
Now you can open and close my eyes intermittently. Your body is already provided and begins to accumulate fat. Their brain development occurs rapidly, their brain waves are similar to the of a newborn baby and the development of its middle ear, which regulates balance, allows you to differentiate changes of position in utero. Measures about 30 cm from head to feet and weighs around 650 grams.
Images of the week 26 of pregnancy
It reacts to the sound, the touch and light
Your ears will refine and baby reacts to sounds that you come from abroad, especially to your voice. Practice the blinking reflex and reacts to light stimuli, as well as the sensory stimuli when you caress your belly. Performs daily breathing exercises.
Images of the week 32 of pregnancy
Weighs around 1700 grams and measures approximately 44 cm. His lung structure, digestive and kidney being refined to operate outside of the uterus. Lungs practice breathing, bowel can digest and the baby swallows amniotic fluid and urine.
Images of the week 36 of pregnancy
The last few weeks
It gains weight steps accelerated, increasing between 250 and 300 grams per week. He swallows and digests the amniotic fluid in the fleet, as well as vernix and other secretions. This dark green substance or negrusca is called meconium and form their first bowel movement.
Images of the week 40 of pregnancy
The baby measured 52 centimeters from head to feet and weighs about 3,400 kilos. You ready for birth, However some bodies, such as for example the brain will continue to develop creating millions of neural connections during the first years of life.
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