This era has witnessed a scientific renaissance in various fields, including those related to embryology and stages of human growth and development. It has become possible to know the stages that the fetus undergoes from the moment of fertilization until he emerges as a small infant due to the development of great medical devices. In the fields of medical prevention of the injury of the fetus with many diseases, and also helped to detect some diseases that may suffer the fetus before birth, and therefore the process of treatment in the early stages of the disease, and this is why the reduction of the proportion of disabilities and the negative effects that these diseases may have on the child distance Of birth.
Pregnancy is not easy or simple; it carries a new spirit that will come to life. Therefore, precautions must be taken before starting it, such as abstaining from taking any drugs even if they are normal painkillers, and completely abstain from taking any alcohol before the beginning of pregnancy until the end So that your general health is eligible to receive pregnancy, and to protect the fetus from any effects that may affect after pregnancy.
In the old belief was that the human created fully in the body of the woman until the Holy Quran, which between God the stages of the fetus passes until it develops into a full person, he said ((I have created the evolution of () Noah, as the Almighty said in the believers ((We have created man from a strain of clay and then we made a sperm in the decision of McCain and then created the semen Leica, we created the embryo chewed, so we created the bone bone bones Vkzona flesh and then created another creature blessed E best creatures)).
These stages are:
- The semen stage.
- The stage of synthesis, consisting of four phases: Alaqah, Almdgha, bones, and flesh.
- Stage of origin.
Stages of fetal development
- The stages of pregnancy and the development of the fetus begin from the moment of fertilization, after which the egg stabilizes in the uterus, and is implanted in the uterus wall to stabilize the pregnancy, and then the fetus begins to develop. It is necessary to mention that the first months are the organs of the embryo and its organs. During the first month, the spinal cord and heart are shaped like tubes. The primitive brain begins to grow, and the eyes and kidney begin to form.
- In the second month, brain growth is rapid, the limbs of the fetus are visible, the face is clear, and the rest of the body organs are formed.
- By the end of the third month, the size of the head of the fetus has become smaller than previously to fit the body size, and the base of the shape of the nails are clear.
- During the fourth, fifth, sixth and seventh months, the organs and organs of the body develop, but the survival rate at birth during these months is small and increases the probability of survival in the event of birth during the eighth month, although the risk is that the lungs are not fully mature this month, By the end of the ninth month, the fetus had fully matured and was able to live independently at birth.