Hello doctor! I am 38 years old and pregnant for the third time. I tested for Trisomy 21 and the ratio is 1/159. So doctor, can you tell me if the Trisomy 21 test ratio is 1/159, is it dangerous and what should I do next?

Double test prenatal screening test helps assess the risk of the baby having birth defects. So what is the normal result of Double test prenatal screening test?

Double test is one of the routine screening tests, recommended for all pregnant women to screen for common chromosomal disorders in the fetus such as Down, Edwards and Patau syndromes.

Prenatal and newborn screening is a measure to help diagnose diseases caused by genetic disorders, thereby providing timely intervention and treatment, limiting the serious consequences caused by congenital malformations, reducing the number of disabled and mentally retarded people in the community, contributing to improving population quality.

To ensure a smooth pregnancy and childbirth process, minimizing possible risks, pre-pregnancy screening and testing is extremely important. When performing pre-pregnancy screening, couples need to follow the doctor's instructions to obtain accurate results, creating conditions for a successful pregnancy.

Screening for fetal abnormalities is something pregnant mothers are extremely concerned about, in which the Double test prenatal screening test is recommended to be performed regularly to ensure that the baby is born smart and healthy.

Patau syndrome is a rare and serious genetic disorder that greatly affects the health of children and can even cause death shortly after birth. Children with this syndrome will have abnormalities in the brain, face, and head. Until now, there has been no specific treatment for this disease.

According to WHO statistics, 2015. Of the 2.68 million neonatal deaths, 11.3% (equivalent to 303,000 children) died due to congenital malformations. Congenital malformations cause many long-term consequences for individuals, families and society. Common and severe congenital malformations include Down syndrome, congenital heart defects, and neural tube defects. With more than 50% of congenital malformations of unknown cause, how can we diagnose and prevent them?