Oocyte/zygote/embryo maturation arrest-6 (OZEMA6) is characterized by primary infertility due to defective sperm-binding to an abnormally thin zona pellucida (ZP) in patient oocytes. Successful pregnancy may be achieved by intracytoplasmic sperm injection in these patients (Dai et al., 2019).
For a discussion of genetic heterogeneity of OZEMA, see 615774. [from
OMIM]