Oocyte/zygote/embryo Maturation Arrest 1, also known as oocyte maturation defect 1, is related to female infertility due to zona pellucida defect. An important gene associated with Oocyte/zygote/embryo Maturation Arrest 1 is ZP1 (Zona Pellucida Glycoprotein 1). The drugs Clomifene and Dydrogesterone have been mentioned in the context of this disorder. Affiliated tissues include uterus and ovary, and related phenotype is female infertility.