Stages of fetal growth in the fourth month
The fourth month of pregnancy begins with the 14th week, and ends with the seventeenth week. The fetus undergoes many changes this month. The mother can determine the exact sex of her fetus this month using ultrasound, A variety of changes, including fatigue, fatigue, constipation, dyspepsia, increased stomach burning, decreased nausea and vomiting, loss of concentration, and subsequent forgetfulness.
Week Fourteen
- The weight of the fetus this week is about forty-three grams, and its length is about nine centimeters.
- His fingerprints begin to form, and he begins to suck his fingers, kicking his mother with his feet, and these feelings transmit happiness in the same mother, and he begins to change the gestures of his face, for example.
- Fuzz grows on the fetus’s body, and this fluff gives it warmth.
- The kidneys produce urine, and the fetus ejects the urine from its body every 30 minutes, but this urine is light, because the fetal kidneys are unable to absorb the water well, and the spleen begins to produce red blood cells, as well as the liver excreted his bladder, Its growth is complete and begins with the production of hormones.
Fifteenth week
- The weight of the fetus is about seventy-five grams, its height is ten centimeters, and the length of its feet becomes more than the length of its hands, which enables it to move more freely inside the amniotic fluid.
- His vesicles grow and thus he is able to breathe in the liquid.
- He becomes able to control the muscles of his face, which means he can frown and pee.
- This week, the fetus is able to hear, because its ears are fully developed, and the fetus in this month is sensitive to light despite the fusion of its eyelids.
Week Sixteen
- The fetus weighs about 100 grams and is about 12 centimeters long.
- His eyes and ears occupy the right place in his body.
- The muscles of his hands become stronger and thus he can hold the umbilical cord.
Week Seventeen
- The length of the fetus reaches about fourteen centimeters.
- This week, the fetal cartilage begins to form, and its bones become more rigid.
- Brown fat accumulates and these fats are important to provide heat for the fetus, and they regulate the heat in the fetus’s body.