In the arena of reproductive technology, surrogate agencies stand as a testament to the progress of medical and scientific advancements, facilitating the dreams of parenthood for countless individuals around the globe. As we peer into the crystal ball of this dynamic field, it is apparent that a paradigm shift is on the horizon. From intriguing technological innovations to unfolding legal and ethical implications, the futurology of surrogate agencies is both exciting and complex.

Let us begin by unpacking the term 'surrogate agency'. These establishments serve as intermediaries, bridging the gap between prospective parents, or 'intended parents', and women willing to carry their child, known as 'surrogates'. They provide necessary services such as surrogate recruitment, screening, matching, legal support, and overall management of the surrogacy process. Their role in navigating this labyrinthine process is invaluable, as evidenced by their increasing popularity.

In prognosticating the future of these agencies, there is no shortage of fascinating dynamics to consider. One prominent catalyst in this evolution is the advent of artificial intelligence (AI). Currently, matching intended parents with surrogates is a labor-intensive process, where agencies meticulously consider medical, psychological, and personal compatibility. However, AI holds the potential to streamline this process.

Through sophisticated algorithms and deep learning techniques, AI could analyze myriad variables, ensuring a superior match while reducing the overall time and resources involved. Yet, as with any application of AI, it is crucial to maintain checks and balances, ensuring that the technology is a tool rather than a replacement for human oversight and intuition.

Another progressive technology reshaping surrogacy's landscape is 'in vitro gametogenesis' (IVG). This revolutionary process involves converting adult human cells into egg and sperm cells, potentially eliminating the need for egg donors or sperm donors. While still in its infancy, this technology could significantly modify the role of surrogate agencies. Instead of coordinating egg or sperm donations, agencies could shift their focus to managing the surrogacy process exclusively.

Legal changes are also poised to shape the future of surrogate agencies. Presently, surrogacy laws are a patchwork quilt of state-specific regulations, international laws, and ethical considerations. However, there is a growing call for uniform legislation that provides clarity and consistency. Such legislation could pave the way for a more streamlined process, enabling agencies to operate within a standardized legal framework that protects all parties involved.

Nevertheless, it is essential to remain cognizant of the potential ethical conundrums that these developments may bring with them. The amalgamation of AI and IVG in the realm of surrogacy is likely to raise profound questions about the commodification of reproduction, gene editing, and the potential erosion of human intimacy in the process of procreation.

These considerations underscore the necessity for surrogate agencies to maintain an acute understanding of the sociocultural implications of their work. The intersection of law, bioethics, and technology in this field necessitates a delicate balancing act, ensuring that progress does not eclipse the fundamental values of humanity, dignity, and respect for all parties involved.

In conclusion, as we gaze into the looking glass of the future, surrogate agencies are poised to play a pivotal role in shaping the narrative of assisted reproduction. The interplay of technological, legal, and ethical shifts presents challenges and opportunities alike. As we venture forth into this brave new world, it is incumbent upon us to navigate these changes with wisdom, ensuring that the future of surrogacy remains a beacon of hope and fulfillment for countless individuals across the globe.