How to identify the sex of a fetus at 16 weeks of pregnancy

Although most parents believe that the health of the fetus is more important than the gender, under the influence of China's long-standing feudalism, some people still emphasize boys over girls. So, how to identify the sex of a fetus at 16 weeks of pregnancy ?

How to identify the sex of a fetus at 16 weeks

The external genitalia of a fetus begins to take shape as early as 6 weeks of pregnancy, but until 14 weeks of pregnancy, the external genitalia of a male and female baby look very similar on an ultrasound scan. By 18 weeks it may still be difficult to tell the difference, but if the fetus is in the right position during the ultrasound, the doctor will be able to see the genitals and should be able to identify the sex of the fetus. In the second trimester, around 20 weeks of pregnancy, if the doctor can see the key parts of the fetus on the ultrasound, it is easy to identify the sex of the fetus.

Two genetic tests, such as a chorionic villus biopsy or amniocentesis, can also identify the sex of the fetus, but these tests are primarily designed to screen for genetic abnormalities or chromosomal abnormalities such as Down syndrome. Both of these tests carry a small risk of causing a miscarriage and care needs to be taken before testing.

A chorionic villus biopsy is usually scheduled between 11 and 12 weeks of pregnancy, and an amniocentesis between 16 and 22 weeks of pregnancy. If a pregnant woman undergoes one of these tests, the sex of the fetus can also be identified at the same time, but in mainland China, if it is not medically necessary, the item of the sex of the fetus is usually omitted from the test report card.

Fetal sex can be determined through chorionic villus biopsy and amniocentesis, with an accuracy rate of almost 99%. When medicine becomes more advanced, it may be possible to identify the sex of the fetus through blood tests. Some European hospitals are already using a method called free fetal DNA testing, which looks for male chromosomes in a pregnant woman's blood to determine the sex of the fetus. This method of free fetal DNA testing is 98.8% accurate for male babies and 94.8% accurate for female babies.

Traditional Fetal Determination Methods in Folklore

Traditional methods of predicting the sex of a fetus have been widely circulated, but unfortunately none of them have stood up to scientific scrutiny. The chances of success of these methods in predicting the sex of a fetus are about fifty percent. These folk methods are:

1, from the pregnant woman's belly to judge: pregnant women's belly type pointed convex, will give birth to male babies; belly type rounded, will give birth to female babies. In fact, the pregnant woman's belly type has nothing to do with the sex of the fetus.

2, observe the appearance of pregnant women and skin changes: if the appearance of pregnant women become beautiful, skin becomes smooth, may have a baby girl; on the contrary, the appearance of ugly, skin becomes rough, and even face full of pimples, may have a baby boy. This argument is believed by many people, but it has been proved that the credibility is not high.

3, pregnant women's tastes change: Some people think that if the taste of pregnant women is different from the previous baby, the sex of the fetus will also change. In fact, pregnant women like to eat sour and sweet and the sex of the fetus is irrelevant.

4, the speed of the fetal heart: it is generally believed that if the fetal heart is stronger and slower, the fetus is more likely to be a male baby; on the contrary, it is a female baby. This method of guessing the sex of the fetus has a high chance of being wrong.

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