How big is the baby at 4 months of pregnancy

When a pregnant woman is pregnant to the fourth month, the various organs of the fetus are gradually growing and developing, which belongs to the second trimester of pregnancy. During this period, the baby in the abdomen has reached a relatively stable condition. How many babies are there in the fetus within four months? In fact, through B-ultrasound examination, you can see the specific situation of the fetus. In this article, we will clearly tell everyone the condition and size of a four-month-old fetus in the mother's abdomen.

How many are there in a four month old fetus?

1. In the first week of the fourth month of pregnancy, the baby is 7.5-9.5cm long. At this time, the fetus has completely grown into a dog-like shape, with prominent facial features. The second week of the fourth month of pregnancy: The baby's length is 7.5-10 cm and the net weight of the fetus is about 28 grams. The baby is not as big as the palm of your hand, but its facial features are clear. In the third week of the fourth month of pregnancy, the fetus is 10 cm long and weighs 50 grams. The fetus is now very active, like a real puppy. Fourth week of pregnancy: The fetus is 12 cm long and weighs about 150 grams. The baby doesn't look very big and fits in the palm of your hand.

2. During this period, the fetus grows and develops relatively rapidly, reaching a height of about 17 cm. The weight of the fetus will increase to nearly 200 grams, and the eyes will begin to lean towards both sides. At this stage, it is slightly concentrated forward and looks cute. The fetus's bones will grow into cartilage and gradually perfect themselves, from cartilage to bone.

3. After four months of pregnancy, the sex of the fetus can be clearly identified. The most direct way is through B-ultrasound examination. In the B-ultrasound examination, the sexual organs of a male fetus, or the vagina, bilateral fallopian tubes and uterus of a female fetus can be clearly seen.

4. At four months of pregnancy, the baby's head becomes noticeably more upright, and both eyes move to the front of the head. Of course, eyes remain closed. During this period, the fetus's eyes can move. His eyebrows, eyelashes, etc. have grown rapidly, and his ears have grown to the final part.