Traditionally in China, boys are favored over girls, which makes many future parents want to use methods such as non-invasive DNA testing to understand their children's gender. But this is actually very absurd. Non invasive DNA is only a test for the risk of developing the disease, so it is not related to the gender of the fetus. There is no principle basis for "non-invasive DNA looks at men and women".
Recently, there have been rumors that non-invasive DNA can distinguish between male and female fetuses in pregnant women. Many mothers also find this sentence accurate and reliable. However, there is no scientific basis to observe the gender of fetuses based on non-invasive DNA testing results, and some so-called 'gender matches' are just coincidences.
If a pregnant woman has a series of special conditions, such as placenta previa, oligohydramnios, or threatened miscarriage, non-invasive DNA can be used for necessary testing. Other women who have failed amniocentesis can also be remedied through non-invasive DNA testing. When conducting Down screening, if an increase or abnormality in the NT value of the fetus is found, further non-invasive DNA testing can be performed to eliminate the risk of fetal abnormalities.
At present, the only reliable way to determine whether a fetus is male or female is through amniocentesis to detect chromosomes or direct ultrasound examination of the fetal reproductive organs. Other ultrasound data streams, curettage surface flow, uterine height flow, abdominal contour flow, early pregnancy sac shape flow, Down syndrome screening data flow, pregnancy response flow, fetal motility flow, fetal rapid growth total flow, etc. Pseudo science seems reasonable, without any scientific basis, it is all based on experience in the martial arts world. Essentially, this is the same as' sour men and spicy women '.
If the mother really wants to know the gender of the fetus, the most feasible and accurate way is to find an ultrasound doctor through this relationship. However, doctors currently do not tell mothers because every hospital has regulations that strictly require doctors to keep ultrasound to check gender results. In fact, men and women are equal, and having boys and girls is equally good.
