Whether or not you can have a child with chromosomal abnormalities depends on the type of chromosomal abnormality the patient has. Patients can go to a more specialized fertility center for consultation and do the necessary tests before deciding whether or not to have a child. Chromosomal abnormalities include both chromosomal number abnormalities and chromosomal structure abnormalities. If the abnormal chromosomes do not affect the developmental abnormalities or developmental disorders of the offspring, you can generally consider having children. However, if the chromosomal abnormality is critical, it must be carefully considered when having a child. This is because chromosomal abnormalities can be passed on to the next generation and may lead to congenital malformations, deformities and various mental disabilities in the fetus, and in severe cases, may lead to fetal death or miscarriage. If you are pregnant with a chromosomal abnormality, you must go for regular maternity checkups, and you can have an amniocentesis or cord blood analysis at 16-20 weeks.