How to book a second pregnancy blood test in Hong Kong?

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rrr, , r Maternal blood test predicts baby's gender. What is the scientific basis for this testing method and what principles are used to verify it? Researchers found in the blood of pregnant women that a gene called R only exists on chromosomes. Once its presence is detected, it means that the fetus is male, so they separated the fetuses in the mother's blood to see if they could find the R gene. , gender questions are naturally solved. Unlike B-ultrasound, which has to wait until the fetus is large enough to observe gender characteristics, this examination method can be performed in the weeks after conception, and the accuracy is higher than B-ultrasound, reaching .%. After the blood samples of pregnant women are extracted, they are first processed by high-speed centrifugation twice, and the supernatant in the upper layer is moved into a new sterile tube and frozen for storage. Then use reagents to extract the supernatant, dye it, and observe it under a UV lamp. If you see an R band, it means it's a boy, and if it doesn't, it means it's a girl. Our company can assist in arranging related matters, and the services are as follows:) Booking Hong Kong testing center and obstetrics professor) Prenatal review and prenatal check-up for pregnant women) Accompanying the medical examination process) Expressing laboratory reports to your door