Unsafe fetal gender determination method: amniocentesis, commonly known as "drawing amniotic fluid"

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The most commonly used method in Hong Kong and the most popular method of identification among mainlanders. The accuracy rate is as high as above, and the results can be obtained in about days. Whether you are buying clothes to give birth to a child, to satisfy your curiosity, or to name your child in advance. Choosing a blood test to identify the gender of the fetus is the best way. Chromosomes, as the name suggests, are the chromosomes that determine sex. In human reproductive cells, there are pairs of chromosomes, of which one pair is an autosome and one pair is a sex chromosome. The female sex chromosome is, and the genotype is available, indicating that the male sex chromosome is, and the genotype is,. Germ cells have to undergo two meiosis divisions to turn the chromosomes into strips. The egg contains only one sex chromosome, while the sperm can contain one or two sex chromosomes respectively. When the sperm combines with the egg, the chromosomes of the fertilized egg return to pairing. If the sperm containing the chromosome combines with the egg, the fertilized egg will be fertilized and develop into a female fetus. If the sperm containing the chromosome combines with the egg, the fertilized egg will be fertilized and develop into a male fetus. Therefore, whether a baby is a boy or a girl depends on whether it is sperm or sperm that participates in fertilization. The gender of the baby can be accurately detected through blood testing. The identification accuracy is very high. The most recommended method by Hong Kong doctors is blood testing. Early in pregnancy, it has no impact on the pregnant woman and her fetus, and the identification results are fast. The identification accuracy is high.