This study uses number and size of ovarian follicles on the day of ovulation trigger as key determinants for oocytes yield to optimize outcomes in IVF and ICSI Protocols
women aged 18 to 35 years undergoing ICSI.
at least four follicles above 15 mm in diameter on the day of trigger
Downregulation using either GNRH antagonist or agonist protocol
Provision of written ,informed consent
anticipated poor responder, according to Bologna criteria
cycle canceled prior to retrieval or without trigger administration
Oocyte cryoperservation cycles or natural IVF cycles
presence of ovarian pathology affecting the follicular assessment (endometriosis,cysts )