Correction to: Journal of Assisted Reproduction and Genetics (2021) 38:71–78

https://doi.org/10.1007/s10815-020-01973-6

The original article unfortunately contained an error. In page 74, the 2nd sentence of the heading “Study approval” should be “This study was approved by the local ethics Institutional Review Board of IVF Namba Clinic and was registered by the Japan Society of Obstetrics and Gynecology.”