Chromosomal abnormalities in the embryo may be related to the genetic predisposition of the mom and dad, as well as infectious factors, environmental factors, medication factors and so on.
1. Genetic gene: if mom and dad have chromosomal abnormality gene, it may be passed on to the embryo through hereditary way, causing chromosomal abnormality of the embryo.
2. Infectious factors: If the mom is infected by various pathogens such as viruses and parasites after pregnancy, it may cause chromosomal abnormalities in the embryo.
3. Environmental factors: If the mother is exposed to toxic and harmful chemical substances, radioactive substances and heavy metal substances for a long time after pregnancy, it may also cause chromosome abnormality of the embryo.
4. Drugs: If the mother takes a large amount of drugs during pregnancy that significantly affect the growth and development of the embryo, it may cause chromosomal abnormalities in the embryo.
Embryonic chromosome abnormality may have a close relationship with the mother and father, or may be caused by other factors, need to do a good job under the guidance of a professional doctor prenatal screening and various pregnancy checkups.