Every woman hopes that her next generation can grow up and give birth healthily. We will also take all necessary protective measures during pregnancy, including regular prenatal check ups. And these examination results can also enable doctors to further diagnose the health status of the fetus. So what does trisomy 13 mean for a fetus?
Trisomy 13 in the fetus indicates chromosomal abnormalities. The accuracy of this examination result has reached over 90%, which is also the result of the Down syndrome screening done by pregnant women in the early and middle stages of pregnancy. And fetal chromosomal abnormalities indicate congenital intellectual disability, congenital malformations, cleft lip and palate, and the fetus is Down syndrome.
The survival rate of trisomy 13 in fetuses is 5%. When the test results show trisomy 13 in the fetus, whether in early or mid stage, another non-invasive DNA test is needed. If there are abnormalities in the results, doctors will recommend termination of pregnancy for women after confirming that there is only one embryo. Even if given birth reluctantly, the mortality rate accounts for over 50% within one month and over 90% within six months.
Trisomy 13 in fetuses often occurs in pregnant women over 35 years old. When men and women are over 35 years old, their physical function and uterine health are significantly worse than before, and there are also risks associated with pregnancy. So, doctors would recommend couples over the age of 35 to undergo chromosome testing first to prevent risks and accidents during pregnancy.
