 As soon as three follicles of 17mm are observed by USS at least, a GnRH agonist Triptorelin 0.2 mg will be used for final oocyte maturation at the same day. About 34-36 h thereafter, OPU followed by ICSI is performed. Two days after oocyte pick-up 2 fresh embryos will be transferred. Patients with high progesterone level on the trigger day progesterone level 2ngml, freeze all will be recommended. 