subject: Know about all Stages of Fetal Development The time of Pregnancy [print this page] Conception mostly occurs of course when the sperm meets the egg asa reslut and the egg becomes fertilized. After that the egg further needs to travel down the fallopian tube and then into the uterus, and so other implant itself onto the uterine wall.
The next stage and the embryonic period goes the most critical time in the fetal development, as the cells that will all make up the placenta and those that will make up the baby so divide and form, with all major systems are so experiencing their foundational development. This so then stage lasts from week 2 till around the week 11. By the sixth week moreover a heartbeat can be detected so then and limbs begin to form.
At week eight and teeth begin to form under the gums so therefore and intestines start to take shape. By the end of this stage and the major organs will have begun to develop as result as well as the central nervous system. Joints will though have developed and as well as the first signs of the irises.
After the 11th week moreover the embryo is now called a fetus theat and begins the last and longest of the stages of other fetal development. From week 11 to 16 more the fetus will develop genitals and hair, vocal chords, and even nails. Kidneys and also the liver begin functioning than and bones start to harden.
From week 16 to 20 its clear that the fetus will undergo a major growth spurt mix with fat developing under a thin skin so. The fetus's heart then it will pump 25 quarts of blood around daily. Waste product begins that accumulating in the bowel.
And the fetus then will start to be awake and as result asleep for periods resembling so that of a newborn more so even hiccuping at times.
Development slows that from weeks 21 to 24. By the end of this whole period, eyelids and eyebrows then should be completely formed, and just if a male, testes will then start do descend. The fetus also will weigh around 1.3 pounds by week 24.
In those weeks 25 to 28, the baby further continues to grow and develop. Ligaments form, and then the nostrils open The retinas form so with the eyes can be completely opened. Lung development also proceeds quickly during this period and then so in preparation for breathing air at birth.
A baby born that at week 28 has a 90% chance of survival and it though breathing would likely be an really issue.
Know about all Stages of Fetal Development The time of Pregnancy
By: howto
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