Fetus
The embryo is defined as a multicellular, eukaryotic, two-chromosomal organism in its early stages of growth. The organisms reproduce sexually. When the sperm fertilizes the egg, the result is a cell called the progenitor, which comes from the parents.
Stages of fetal growth
- The first week, the first day of absence of menstrual cycle.
- In the second week, 250 million sperm are made to fertilize the egg.
- The third week, fertilizes the egg, begins the pregnancy, and determines the child’s personality after chromosomal division.
- Fourth week, the egg enters the uterine wall, and implants it.
- Fifth week, signs of fatigue appear, and the child’s length is half a cm.
- Week 6, show dizziness, nausea, increase the process of entering the bathroom, and the umbilical cord is formed of the fetus, and start heartbeat, and the head is formed.
- The seventh week, the nervous mood begins in the pregnant mother, increasing her weight.
- Eighth week, the internal child members are completed, and the weight increases.
- Ninth week, the fetus increases four grams, and the legs and hands are formed.
- Week 10, the size of the breast increases in the pregnant mother, increases the number of pigeons entering the fetus, and exceeds the fetus stage of danger.
- Week 11, the fetal heart begins to pump blood.
- Week 12, overweight pregnant mother.
- Week 13, fetal hair grows.
- Fourteenth week, the pregnant woman feeling comfortable.
- Fifteenth week, the beginning of the clot.
- Week 16, the child’s conscious movement begins.
- Week 17, begins to increase sweating for pregnant mother.
- Eighteenth week, the fetal buds are.
- Nineteenth week, increase in weight and the parent of the pregnant mother.
- The 20th week, the abdomen is pushed out, and the uterus presses on the lung.
- Week 21, Evolution of fetal movements.
- In the twenty-second week, the fetus begins to feel the external effects.
- Twenty-three weeks, the child weighs up to five hundred grams.
- Week 24, the pregnant mother can hear the fetal heartbeat.
- Week twenty-five, pigeons enter a lot.
- Week 26, Prepare the baby’s needs of clothes and diapers.
- Twenty-seventh week, the weight of the fetus is nine hundred grams.
- Twenty-eight weeks, tests were conducted for the mother’s blood.
- Twenty-ninth week, the crowding becomes clear.
- Week 30, feeling tired and heavy for the pregnant mother.
- Week 31, fetal movement decreases.
- Week 32, fetus taking birth position.
- In week 33, the child’s sense of external influences increases.
- Thirty-four weeks, the fetus is forty-five centimeters long.
- Thirty-fifth week, difficulty sleeping pregnant mother.
- Thirty-sixth week, the beginning of the expansion of the cervix.
- Week 37, increased fetal weight.
- 38th week, mucus occlusion, and onset of labor.
- Thirty-ninth week, intrauterine contractions.
- Week 40, waiting for the fetus to be born.
Factors affecting the development of the fetus
There are many factors that affect fetal development, namely:
- Mother’s food, one of the most important factors affecting the fetus, is malnutrition that threatens the development of the fetus in its pre-Christmas stages. It is good food that keeps the fetus, and protects the mother’s health from exposure to diseases, such as anemia and pre-eclampsia.
- Mother’s health If a woman is in the first stages of her pregnancy, this affects the development of the fetus, and the child will be born with congenital defects, deformation or disease.
- Reisase factor, a specific chemical composition of blood.
- Drugs Taking medications during pregnancy can negatively affect fetal development.
- Rays, which have a serious impact on fetal development.
- Mother’s age is a factor that plays an important role in a child’s development.
- The emotional state of the mother has a significant impact on the child’s development and development.
- The process of birth and its complications, and may later affect the growth of the child’s life and development.
- Preterm delivery, resulting in incomplete embryo.
- Override maturity.