Isolated teratozoospermia is defined as having less than 10% of normal forms, based on Kruger's strict criteria. A study published in 2003 showed that this type of teratozoospermia results in a lower cumulative birth rate compared to men with normozoospermia. (Spiessens C1, Vanderschueren D, Meuleman C, D'Hooghe T. Isolated teratozoospermia and intrauterine insemination, Fertil Steril. 2003 Nov;80(5):1185-9.)
What is isolated teratozoospermia?
By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 11/28/2018
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)