How big is the baby in three and a half months of pregnancy?

In life, many women are pregnant for the first time, and their experience in this area is obviously insufficient, so prenatal examinations are essential. After the examination, a maternal health card will be created, and relevant examinations will be required at regular intervals thereafter. Many expectant mothers are concerned about how big the baby is at three and a half months of pregnancy. Let us let obstetricians and gynecologists say. We hope the following content will be helpful to everyone.

The baby is called a fetus from the 9th week! However, the baby's activities are not very strong at this time, and you cannot feel the fetal movement for the time being.

Fetal changes

The fetal length is 2 to 9 cm and the fetal weight is 9 to 23 g. The cheeks, jaw, eyelids and earlobes have developed and the face looks more like a human face.

9 weeks pregnant: The fetus is about 2cm long and still very light, about the size of a grape. The fetal head is larger than the fetal body, each part appears clearer, the skull begins to calcify, and the placenta begins to develop.

10 weeks of pregnancy: The baby is about 4cm long, the head-to-hip diameter is about 3-5cm, and the weight is about 13g.

11 weeks of pregnancy: The fetus grows to 6cm, the fetal organs develop further, and the placenta develops. B-ultrasound showed that the gestational sac had completely disappeared and the placenta was clearly visible.

12 weeks of pregnancy: The fetus grows to 9cm and weighs 23g.

At this time, the baby's tail has completely disappeared! It has already taken human form, and its growth rate is becoming more and more amazing. The body and legs have grown, but the head is still obviously larger. More importantly, the nose, gums, and vocal cords have grown, and the face can be recognized. The fetus' fingers and toes are completely separated, and the eyes, fingers and toes are clearly visible. Some bones begin to harden, and hair and nails begin to grow.

The fetus's skin is still transparent, so the subcutaneous blood vessels and internal organs can be seen from the outside. Organs such as the heart, liver, and stomach develop more fully. At this point, the shape of the external genitalia has been formed, but the gender cannot be clearly determined. Keep the secret until the baby is born, and you can reveal it yourself!

In the above article, an obstetrician and gynecologist explains to everyone how big the baby is at different stages, including how big the baby is at three and a half months of pregnancy. Everyone should have an idea of ​​this. The size of the baby can be checked through B-ultrasound. In addition, the child's health status can also be checked. Therefore, pregnant women should check B-ultrasound more often.