No, teratozoospermia is not associated directly with trisomy 21, that is, the chromosomal abnormality that causes Down syndrome. Nonetheless, sperm with an abnormal morphology can cause genetic alterations leading to implantation failure, increase the chances of miscarrying, or other pathologies.
Does teratozoospermia increase your chances of having a baby with Down syndrome?
By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 11/29/2018
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)