Picture of fetus in four months of pregnancy

When becoming parents for the first time, you will undoubtedly be full of curiosity about the unborn fetus. You are already four months pregnant. Has the baby in the fetus already grown facial features, has it got hands and feet, and has it begun to take on a human shape? To what extent has the baby developed in the fourth month of pregnancy? Let us take a look at the actual growth and development of the fetus at four months.

1. The baby's head is obviously more upright, and the eyes have moved to the front of the head, but the eyes are still closed.

2. B-ultrasound can show that the baby's eyes are moving, the eyebrows and eyelashes are growing rapidly, and the ears have reached their final position.

3. The skin of the fetus is very thin and transparent, and the blood vessels in the subcutaneous tissue can be seen. The joints of the limbs have already formed, and the bones are further growing and developing.

4. The baby's legs have already exceeded the length of the arms, the nails have already formed, and the joints can move.

5. The male reproductive organs of the fetus are fully developed and the human eye can identify the sex of the fetus.

6. The fetus has now begun to breathe with its chest and suck its thumb, and the fetal heartbeat has begun to grow.

How big is the fetus at four months of pregnancy

At four months, the length of the baby's legs has exceeded that of the arms, the nails have formed, and the wrist joints have begun to move. You may not know it yet, but your baby has already started to hiccup, which is a sign that he is breathing. You may be curious: How big is a four-month-old fetus?

1. Development of a four-month-old baby: fetal length: 10-16cm, fetal weight: 25-110g.

13 weeks of pregnancy: fetal length: 10cm, fetal weight: 25g. The mean fetal biparietal diameter was 2.52±0.25cm, the mean fetal abdominal circumference was 6.90±l.65cm, and the femoral length was 1.17±0.31cm.

14 weeks of pregnancy: fetal length: 12cm, fetal weight: 28g. The mean fetal biparietal diameter was 2.83±0.57cm, the mean fetal abdominal circumference was 7.77±1.82cm, and the femoral length was 1.38±0.48cm.

15 weeks of pregnancy: fetal length: 14cm, fetal weight: 68g. The mean fetal biparietal diameter was 3.23±0.51cm, the mean fetal abdominal circumference was 9.13±1.56cm, and the femoral length was 1.74±0.58cm.

16 weeks of pregnancy: The baby is about 16cm long from head to hips and weighs about 110g. The mean fetal biparietal diameter was 3.62±0.58cm, the mean fetal abdominal circumference was 10.32±1.92cm, and the femoral length was 2.10±0.51cm.

2. By the fourth month, the fetus's growth and development trend is rapid. His body length will grow rapidly, from 10cm to 16cm. The baby weighs about 110g. His eyes, which were originally biased towards the sides, begin to converge forward, and his bones grow into rubber-like cartilage, which begins to harden gradually.