The stages of the formation of the fetus month by month

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 The stages of the formation of the fetus month by month

The stages of the formation of the fetus month by month


first month


The amniotic sac develops, and a tight watery sac forms around the fertilized egg to protect the fetus. The placenta develops during the first three months of pregnancy. 

It is a flat, circular part whose function is to transfer nutrients from the mother to the fetus, and it has a rudimentary face with a large, 

round black eyes and a well-developed mouth and jaw. In the lower part and throat, blood circulation begins with the formation of blood cells, and the length of the fetus at the end of the first month of pregnancy is about 6 to 7 mm, which is the size of a grain of rice.

second month


Baby's facial features continue to develop, ears begin to appear on bumps in the skin on either side of the head, and tiny buds begin to grow and form hands, legs, 

fingers, toes, and eyes in the second month. During pregnancy, the neural tube is located in the central nervous system and is formed in the brain, spinal cord, 

and other neural tissues in the shape of a well, the digestive system, and sensory organs begin to develop, and bones begin to replace cartilage, the fetus begins to move, and the mother does not seem to feel it yet. A month has passed. 



the third month


By the end of the third month, your baby is fully developed with arms, hands, fingers, and feet, and can open and close his fists and mouth. Fingernails and toenails begin to form. 

The outer ear and teeth begin to form. More than the circulatory system and urinary system of the fetus work, the liver produces bile, and the length of the baby at the end of the third month is about 7.6 to 1 cm and weighs about 28 grams. 

Fourth month


Doppler can hear the fetal heartbeat, fingers and toes become clear, eyelids, eyelashes, eyebrows, nails and hair, teeth and bones thicken, baby can suck thumbs, 

yawn, stretch and express facial expressions, the nervous system begins to function and genitals are fully developed The doctor can determine the sex of the child through ultrasound. The length of the fetus at the end of the fourth month is about 15.24 cm, and its weight is about 124.21 grams. 

the fifth month


The mother begins to feel the movement of the fetus, and as the fetus grows and builds muscles, hair begins to grow on the head, 

and fine hair called lanugo covers the shoulders and back. English: vernix caseosa To prevent prolonged exposure to amniotic fluid, the fetus at the end of the fifth month is about 25.4 cm in length and weighs between 0.5 to 1 pound and 0.23 to 0.45 kg. 


The sixth month


The baby’s skin is red and wrinkled, his veins can be seen through the clear skin, the fingers and toes can be seen, the eyelids begin to split, the eyes open, 

the baby responds to sounds by movement or increased urgency, and the baby burps when the mother feels her baby The baby can also feel the baby’s movements when burping. 

Try to keep the baby alive He was born in the 23rd week of intensive care, and by the end of the sixth month, he was about 30.48 cm tall and weighed about 0.91 kg. 

the seventh month


The baby continues to grow, develop and gain weight, and hearing is fully developed, as the baby changes positions frequently and responds to stimuli such as sound, light, and pain. If he is born early in the seventh month, the child remains alive. 

eighth month


In the 34th week, the baby weighs about 2.1 kilograms, the length from head to toe is about 45 centimeters, and hearing growth is rapid, 

and in the 36th week, the baby begins to descend into the pelvis to prepare for birth. In the 37th week, 

the baby is officially complete and can be born on Any day after the end of eight months the baby weighs about 3 kg and is about 49.8 cm in length. 

The ninth month


At the 39th week, the baby is about 50.7 cm in length and weighs more than 3.3 kg, the weight is considered normal between 2.5 and 4.0 kg, 

his lungs are fully developed and he can take his first breath, if the mother is on the 41st Zhou continues her pregnancy and will get a massage before the midwife to induce labor