Fetal development stages in detail

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Fetal development stages in detail

Fetal development stages in detail


Fetal development stages


Depending on the passage of time and the increase in the number of months in the womb, the fetus undergoes many physical and psychological changes in the mother's womb. 


normal pregnancy stages

A normal pregnancy goes through three stages:


  • First trimester of pregnancy: This is the first trimester of pregnancy.
  • The second trimester: from the fourth month to the sixth month.
  • Final semester: the last months from July to September.

Fetal development stages in detail

Stages of fetal development by months


The growth and changes of the fetus differ every month from the previous month. Here is an explanation of the months of the fetus’s passage and how it changes:

  • The first month: A week after the formation of the fetus, the child’s spinal cord is formed, and a few vertebrae are formed after a few days, then the nerves are formed, and when the child reaches the age of one and a half months, the head is formed The neck has already formed, in the first month of the child’s life start to form muscles Bones, heart, blood vessels, and organs form the genitals, lungs, and digestive system of the child, then the features of the child's face.
  • The second month: The most important month for the formation of the fetus’s organs, due to the rapid development of the organs in this month, the pregnant woman must be careful, because the child is very sensitive to taking any harmful drugs, because they may cause birth defects in the child, the parties were established this month.
  • In the third month: the growth of the child is complete. This month, the child begins to move his legs, head, and hands, and the head is covered with hair, teeth are formed, and it seems that his heartbeat is beating rapidly (120-160) every minute.
  • In the fourth month: the skin turns pink, eyelids and eyebrows are formed on the child, the head becomes half the size of the fetus in this month of pregnancy, and the movements of the fetus become clear, and the mother can feel it.
  • The fifth month: It is the month in which the child’s weight increases rapidly, the muscles are stronger and larger than in the previous months, and the gender of the child can be known this month.
  • Sixth month: The skin becomes red and wrinkled, the brain quickly develops, and the bones become harder and stronger.
  • July: The baby can open and close his eyes, the baby begins to hear what is happening around him, and the mother kicks in the stomach.
  • The eighth month: The brain begins to differentiate into a work that comprehensively supervises the work of the body, and the sensory centers of the brain grow in it.
  • The ninth month: The last month of pregnancy and preparation for childbirth, the month in which the baby gains weight and the fetus moves down the birth canal.