Oocyte/zygote/embryo Maturation Arrest 5, is also known as oocyte maturation defect 5. An important gene associated with Oocyte/zygote/embryo Maturation Arrest 5 is WEE2 (WEE2 Oocyte Meiosis Inhibiting Kinase). Related phenotypes are female infertility and lack of oocyte pronucleus formation