(2) Pregnant women who have been pregnant with a fetus with multiple genetic abnormalities and pregnant women who have been pregnant with anencephaly have a 5% to 10% risk of becoming pregnant again.
(3) Women over 35 years old are more likely to give birth to newborns with chromosomal abnormalities as they age. At the age of 35, it is 1/365, at the age of 40, it is 1/109, and at the age of 45, it is 1/32.
(4) Those with a history of habitual miscarriage, stillbirth or one spouse is a carrier of chromosomal aberrations.
(5) There is or has been a child with a genetic disease patient or carrier in the family.
(6) Those with a history of exposure to radioactive agents; those with hepatitis, mumps, influenza, rubella, cytomegalovirus infection, and Toxoplasma infection in the second trimester; those who took a large amount of antibiotics during pregnancy.
Women with the above conditions have a significantly increased risk of giving birth to children with genetic and congenital diseases. Therefore, they need to actively cooperate with doctors to conduct prenatal diagnosis and prevent the birth of seriously ill children, which will bring misfortune and misfortune to the family and the country. burden.
