Objective: To evaluate the relationship between the number of LH receptor and the success of oocyte maturity in the process of in vitro maturation (IVM). Method: This experimental study was conducted in the Fermata Hati Infertility Clinical Laboratory, Dr. Sardjito General Hospital, Yogyakarta, with the samples of 300 oocytes obtained through col¬lecting immature cow's oocytes from the abat…