Included Embryo monitoring with Time Lapse technique, Assisted hatching of embryos (LAZT) and blastocysts (LAH) with the use of an advanced laser technique (Octax Navilase) and ERICA (Application of artificial intelligence. It ensures the choice of the best embryo to implant, with an accuracy of 92.5%, increasing the probability of pregnancy on the 1st embryo transfer). All donations in Greece are anonymous. Clinics’ donors mostly university students. Patients can choose donors based on: color of the eyes hair body weight blood type 1st initial consultation with Dr. Garavelas to check medical background. 1st visit to the clinic: ultrasound scan, collection of donors’ oocytes, fertilization of sperm, and embryos transfer. Whole procedure lasts about 15 days. Dr. Garavelas and the clinic offers, in case the donor does not produce enough oocytes, a new treatment with a new donor without any additional cost. They also guarantee 7 mature oocytes and 2 healthy embryos for the transfer in the case of normozoospermia without serious diseases.