Correction to: Genetics in Medicine 2020; https://doi.org/10.1038/s41436-020-0807-4, published online 05 May 2020.

The original version of this Article contained an error in Table 2. The value in brackets in row 2, column 2 (Caucasian, at-risk couple rate) should be 3.16, instead of 0.93. This has now been corrected in both the PDF and HTML versions of the Article.