How to make a fetus

Pregnancy

The pregnancy lasts up to 40 weeks, about nine months. Every week, many changes occur in the mother and fetus. These changes in the fetus change the height and weight from one week to another. The various organs gradually grow. In the 10th week of pregnancy, for example, Such as the brain, liver, lungs, and intestines, and begin to function, and this is what we will tell you in this article.

first month

First week: The doctor calculates the last date of the menstrual cycle, and thus can determine the date of birth, during this stage is recommended to take folic acid every day.
second week: Women are not considered pregnant, but the egg is fertilized with sperm at the end of the week.
the third week: The egg joins the sperm in the fallopian tube. The egg is divided into about 100 cells or more. At the end of the week, the fertilized egg joins the wall of the uterus. The cells begin to form membranes from the outside to protect the embryo, feeding it from the wall of the uterus. The embryo in the inner part of the cell is called this period of the primitive period of the fetus.
fourth week: The cells that are implanted in the womb multiply, form two layers, penetrate the outer layer of the uterus, reach the placenta, and the umbilical cord, which are responsible for feeding the fetus and supply it with oxygen throughout pregnancy. The inner layer is responsible for the organs and fetal cells. At the end of the week, the bulk of the amino fluid, the brain, and the nerves are formed, forming inside cells that are a small channel, which later become the backbone.

second month

The fifth week: This week consists of the heart, brain, spinal cord, the incandescent device, part of the urinary system, the outer layer of the ears, eyes, skin, the intestine, lungs, and the child’s central nervous system are formed.
the sixth week: The head of the fetus begins to pump blood, the stomach continues, the nasal openings and the retina begin to appear, and the body of the fetus becomes a C-shaped, and the length of the fetus is between 6-11, and this stage is called the name of the embryo, because the embryo is similar to the meat that has been chewed.
Seventh week: The embryo continues to form and grow until it grows in size, and its length is between 11-14mm. At this stage, the face begins, the brain grows, the muscle fibers and pituitary begin to grow, the legs grow and the arms grow to resemble paddles. His movements.
The eighth week: The length of the leg is about 1.9 cm, and its organs become more pronounced, such as: heart, brain, and eyes begin to form, as part of the nose, eyelids, throat, The baby’s skin is light and transparent.

the third mounth

Week Nine: The eyelids, ears, and the muscles of the embryo begin, and the nerves to do its functions, as the bones of the fetus, and the spine begins to move.
Week 10: At this stage, the fetus’s length is between 27-40 cm. It is about 10 g. In this period, the baby’s head begins to grow larger and becomes circular, as the neck appears, and the eyelids begin to move around to protect the eyes.
Week 11: The fetus begins to emerge and can move and kick during this period. Most of its organs, such as the lungs, brain, intestines, kidneys, and liver, begin to form and form. At the end of the week, the genitals grow and begin to appear. External.
Week 12: The growth of nails for the fetus develops at this stage, and at the end of this week, it weighs up to 14 grams, thereby bypassing the danger stage and becoming safe from abortion.

Fourth month

Week Fourteen: The doctor can determine the sex of the fetus this week, as the fetus reaches about 10 cm, and weighs 45 g, and this stage is important, where the fetus begins to release hormones, and start his hair, and his eyebrows appear, and form teeth under the gums, and begin its members mature, .
Week 15: The length of the fetus this week is 12.5 cm and weighs 80 g. Its skeletal structure begins to form, and the bones of the ear grow.
Week 16: The weight of the fetus this week is 120 g and is 15 cm long, and the baby can suck his finger, the eyes are fully formed, and the genitals are complete.
Week 17: The weight of the fetus at this stage up to 170 grams, and length to 18 centimeters, and the lungs of his functions, where he can do passion, exhalation, and circulatory functions to perform efficiently.

the fifth month

Week 18: The fetus is about 20 centimeters long and weighs 195 grams. The ears grow, and the sounds can be heard clearly, as they begin to move, hug, and dance.
Week 19: The fetus weighs about 230 grams and is about 23 centimeters long. The kidneys begin to produce urine, and a fatty layer is formed on the body to protect its skin. If the fetus is a female, the uterus begins and the vagina becomes formed this week.
Week 20: The fetus is 25 centimeters long and weighs about 345 grams. All its senses are normal, and its nerve cells begin to grow in the brain. The ovaries begin to produce eggs if the fetus is female.
Week 21: The fetus weighs up to 400 grams and is about 28 centimeters long. During this period, the fetus is able to swallow, and the fatty substance surrounding it is formed to protect it. The birth process is facilitated and the white blood cells begin to form on its tongue.

The sixth month

Week Twenty-Second: The length of the fetus is about 30 centimeters, and its weight to 470 grams, and in this period completed the growth of nails, eyebrows and eyelids, and the intestine begins to form stool.
Week 23: The fetus weighs up to 550 grams and is 32 centimeters long. Its movements begin to increase and its skin color becomes red or pink.
Week 24: The weight of the fetus this week is about 650 grams and is 35 centimeters long. The embryo begins to move the legs, arms, muscles, and bladder. The brain continues to grow, and the lung begins to produce a substance that helps fill the alveoli with air.
Week Twenty Five: The fetus weighs up to 800 grams and is 37 centimeters long. The body wrinkles begin to disappear as a result of increased body fat and the body continues to grow.
Week Twenty-Seven: The fetus weighs up to 850 grams and its length reaches 38 centimeters. The ears begin to grow and the response to the sounds increases. The testicles begin to grow and form in the testis sac, and the embryo begins to swallow the amniotic fluid around it, which is responsible for the genes.

the seventh month

Week Twenty-Seven: The fetus weighs less than a kilogram, the brain tissue begins to grow, the nervous system continues to develop, and the baby’s head is tilted downward toward the pelvis.
Week Twenty-Eight: The fetus weighs up to a kilogram, and its eyelids begin to move, and layers of fat may form under its skin, thus having the ability to live outside the uterus if born prematurely.
Week 29: The fetus weighs about 1.2 kg and is 40 centimeters long and begins to grow weekly.
Week 30: The fetus is 41 centimeters long and weighs 1.4 kilograms. This week, the fetus can open its eyes, close it, and differentiate between night and day.

eighth month

Week 31: The weight of the fetus reaches one and a half kilograms and is about 42 centimeters long. The soft wavy hair begins to fall off his body, and the skin is softened after it has shrunk.
Week 32: The weight of the fetus is more than one kilogram and a half, and its length is 43 centimeters, and most of its organs are ready for development and growth, and this is able to draw facial expressions, and the skin becomes pink.
Week 33: The weight of the fetus continues to grow until it reaches 2 kg, and its length is up to 44 cm, its immune system grows, and its bones continue to grow until it becomes stronger.
Week 34: The fetus is about 45 centimeters long and weighs 2.2 kilograms, and the fatty layer continues to grow, forming under the skin.
Week 35: The fetus weighs 2.5 kilograms and is about 46 cm long.

The ninth month

Week 36: The weight of the fetus becomes 3 kg and is about 48 centimeters long. This week, all its organs are complete. The embryo begins to swallow the amniotic fluid, the embryonic coating on its skin and its head is tilted downward in preparation for the birth.
Week Thirty-Seven: The embryo at this stage is ready for delivery, so that the head is at the pelvis.
Week Thirty-Eight: The embryo is ready to go out, its brain weighs 400 grams, and weighs about 3 kg.
Week 39: The fetus weighs more than 3.5 kg, about 50 centimeters long, and the placenta begins transferring antibodies to protect it from infection after birth.
Week 40: The fetus is born and all its organs may have been fully developed except the brain, lungs.