Biparietal diameter at 12 weeks of pregnancy to determine the gender

From the time the sperm enters the egg, only a round cell can be seen in a week. When the fetus is two weeks old, it is only about the size of a pine seed and looks like a small chickpea. When the fetus is three to seven weeks old, the fetus begins to split arms and legs, and it seems that there is still a tail that has not been used up. So, can you tell whether a man is a woman at 12 weeks of pregnancy?

Can you tell if it's a boy or a girl at 12 weeks of pregnancy?

The NT data cannot tell the gender of the baby. Currently, the more accurate method is B-ultrasound to determine the gender. The NT test is performed between 11 and 13 weeks. Because babies with Down syndrome will have water retention in the subcutaneous tissue, the skin on the back of the neck will be thicker. If the NT test shows that the thickness of the fetal neck skin exceeds the standard value, it may be related to abnormalities in the fetal chromosomal karyotype and other anatomical abnormalities. The thicker the NT, the greater the chance of fetal anatomical abnormalities and chromosomal abnormalities. In addition to detecting the risk of chromosomal abnormalities, thickening of the fetal nuchal translucency is also related to congenital heart disease.

What are the babies in the 12th week of pregnancy?

Now, the baby's face looks more human-like. The eyes that were originally on both sides of the fetus's head began to slowly "return to their original position", the distance between the eyes shortened, and the eyes gradually moved to the face and formed in the eye sockets. The baby's ears are also beginning to show and have now moved to the last part.

The fetus's intestines have been growing and developing very rapidly in recent days. Parts of the intestines go into the fetus' umbilical cord to help absorb nutrients, and now they begin to migrate into the abdomen. The fetus's kidney function is gradually improving and it is already metabolizing urine into the bladder. His neurons are multiplying rapidly and synapses (nerve pathways in the human brain) have been formed.

The fetus may now have a lot of reflex movements. He will suck, frown, smile, move his arms, play with his fingers and toes, suck his thumb, cover his face with his hands, cross his arms and legs, and his body floats in the amniotic fluid and "wanders" around in the uterus.

At 12 weeks of pregnancy, the fetus is about 5 cm in size. Although it is not large, the biparietal diameter of the fetus can still be accurately measured. At the same time, the external genitalia of the fetus have basically completed development. An NT should be able to tell whether it is a boy or a girl. However, it is illegal to do baby assessment in China, as it will cause an imbalance in the gender ratio. It is best not to do it.