Received June 15, 2012
Accepted June 25, 2012

Objective: Show that ovarian stimulation at any stage of the cycle is an alternative for patients who need to undergo chemotherapy in an attempt to preserve fertility. Methods: Case Report. Setting: Clinica Conceber – Reproductive Medical Center.Patient(s): Womens were diagnosed with cancer.Intervention: Ovary stimulation, follicular aspiration and cryopreservation of oocytes or embryos. Main Outcome Measure(s): response to ovarian stimulation, follicular growth and number of oocytes recovered at follicle aspiration Results: for the first patient the stimulation start at ninth day whit 300IU of HMG, on the day 16th 6500 IU of rhCG was administered and the follicular aspiration was performed 35 hours later resulting in ten oocytes. The second patient starts the ovary stimulation on the 13th of the cycle and on day 22 the ovulation immediately induced with 6500 IU of rhCG and ovary aspiration performed 35 hours later and 9 oocytes was recovered and subjected to ICSI, one oocyte was successfully fertilized and cryopreserved. The third patient began stimulation on seventh day of the cycle and the aspiration was performed on the 15th day. Seven oocytes was recovered and cryopreserved. Conclusion: This emergency protocol of ovary stimulation proved to be viable for follicular growth, fertility preservation in cancer patients