Pregnant women who finally "stayed up" until the third trimester of pregnancy are actually very nervous in their hearts, and joy and worry are mixed. Even in anticipation of the due date, very few babies are born on the day of gestation.
Clinically, the fetus born after 38-42 weeks of pregnancy is called a full-term baby, because the fetus in this period basically has the ability to live externally, so the difference between the 38-week and 40-week baby is not obvious, and most of the two weeks after term are focused on the development of the fat part.
From another point of view, babies born at 38 weeks of pregnancy are called early term, and the real term is 39-40 + 6 months of pregnancy. Full-term babies in the true sense are relatively more mature, and they tend to be more perfect in terms of various functions and organ development functions, so babies born by caesarean section will choose to have a shorter time in the real term, reducing the chance of immature babies being born.
Through the above knowledge popularization, we probably understand the difference in stages between 38 weeks and 40 weeks of pregnancy. So what's the difference in your baby's body?
First, introduce the fetal situation at 38 weeks of pregnancy:
The fetus in this period, the approximate range of body weight is between 2kg-3kg, and the growth and development rate of the body shows a slowing trend, and generally does not change much. Because the general function of the fetus is basically stable, it is about to enter the fat storage stage, and the baby is basically in a birth position, with the chin close to the chest and the knees close to the stomach. Secondly, the development of the kidneys tends to mature in function, with good body water processing ability, subcutaneous fat is full and thick, the skin is pink and elastic, and the rounded figure is rounded.
Then there is the self-shedding of fetal mass and fetal hair, at this time the pregnant mother should do a good job of keeping warm, to avoid the low temperature of amniotic fluid caused by the low temperature of the uterine cold, the fetal quality is not complete, and finally the baby is born with white fetal fat.
Second, the development of the fetal body at 40 weeks of pregnancy:
The fetus is 500 mm long and weighs more than 3 kg. The development of various systems and organs throughout the fetal body basically meets the standard of intrauterine maturity. In appearance, the function of the body is consistent with that of the newborn, waiting for the birth signal to be issued at any time, staying in the uterus to "continue further study" to improve various functions, store fat energy, and make more adequate preparations for life outside the uterus.
The hair and nails have all been grown together, and the facial muscles have become "developed", so that you can hear the cry of birth and understand the breathing function of the lungs. However, the development of the tear glands still needs to be improved later, and newborn babies are "dry crying", and tears will not appear until 3-4 months later.
Through the above general discussion, can we make more obvious differences? So whether it is 38 weeks or 40 weeks of birth, in fact, there is no big difference, pregnant mothers do not have to be too entangled.
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