Research questionDoes artificial oocyte activation (AOA) by a calcium ionophore (ionomycin) improve the previous fertilization failure or poor embryo development of intracytoplasmic sperm injection (ICSI) account for male factor infertility or other infertility causes. DesignThis retrospective study involved 114 patients receiving ICSI-AOA in Shanghai First Maternity and Infant Hospit... https://sportshutes.shop/product-category/chargers/