Prokineticin-1(PROK1) is a recently described protein with functions including tissue specific angiogenesis.PROK1 has been found in the steroidogenic organs, e.g: ovary, testis, adrenal, placenta and they have been found to have a role in development of olfactory system/GnRH system.The aim was to update the role of Prokineticins in human reproduction since the review provided by Maldono-Perezin 2007.A review of international scientific literature by a search of PUBMED articles relevant to PROK in reproduction, be its role in ovary, testis, uterus, emphasis on implantation, normal pregnancy,...