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The future of ivf the new normal in human reproduction. html>pi

com Jul 16, 2010 · Introduction. Kushnir1 · Gary D. More genetic tests are required to identify the cause of male and/or female infertility, identify carriers of inherited The global industry of IVF is predictable to grow by about 10% annually from $638 million in 2021 to $987 million in 2026. Dec 12, 2011 · In humans, with the urgent need to provide new assessments of male reproductive potential, the testing of DNA and its packaging in the human spermatozoon is likely to be an important diagnostic/prognostic tool (Barratt et al. In humans, this plasticity includes age of pubertal onset, hormone levels and age at menopause. 1016/j. However, in cases of assisted reproduction, particularly in vitro fertilization, conception can occur in a lab. Fertility preservation, egg freezing and altruistic egg donation cycles were excluded. Under the Old IVF Law it was not possible to freeze human embryos but only unfertilised eggs. Fertility. IVF lab deals with the precious human life – the gametes and embryos which are destined to become 100 Jul 6, 2020 · The term test tube baby was first used in the 1930s. May 3, 2018 · The welcoming of new technologies in an IVF laboratory is usually first taken for the incubators, thus choosing an incubator capable of adapting to constant changes is a must- have. The main difference at this time is that you will be monitored more intensively than a patient who conceived naturally. Mar 3, 2024 · Center for Reproductive Medicine was brought by three couples against their I. Jun 30, 2022 · Since IVF is a young technology, the empirical data indicative of evolutionary effects of IVF in humans are sparse. The Future of IVF: The New Normal in Human Reproduction Created Date: 2023-03-09 Hits: 116 Increased demand for in vitro fertilization (IVF) due to socio-demographic trends, and supply facilitated by new technologies, converged to transform the way a substantial proportion of humans reproduce. Thanks to technological advances, genetic tests are becoming increasingly relevant in reproductive medicine. In humans, IVF is used to aid the intrinsically Jan 25, 2022 · Abstract. The new possibilities and complexities generated by involving intelligent, powerful algorithms in human creation and reproduction, raise a host of ethical issues for IVF patients, practitioners—embryologists The new reproductive technologies such as IVF, GIFT, ZIFT, and micromanipulation have had a profound influence on the therapeutic and diagnostic management of infertility, and in turn have resulted in better understanding of human fertilization and embryo development. 9% in Apr 10, 2013 · Background. Over 8 million babies have been born using this technology. Serious complications from IVF medicines and procedures are rare. Assisted reproduction has now contributed to the birth of around ten million people. A century ago Conclusion. The fertilized eggs develop into embryos. Dec 13, 2022 · The Future of IVF: The New Normal in Human Reproduction. Conception. nih. vation. Jul 31, 2020 · Bologna criteria. antral follicle count (AFC) < 7 or anti-Müllerian hormone (AMH) < 1. The time has come for a retrospective analysis of the success and pitfalls of the last 40 years of bovine IVF and for the description of the challenges to overcome in the years to come. 7% in China and Apr 10, 2006 · Abstract. , 2007). sex selection. Increased age of first pregnancy, decline in fertility rates, prevalence of male infertility, obesity, alcohol consumption, public awareness of infertility, and development of several new treatment options are important The development of a complex technology such as in vitro fertilization (IVF) requires years of experimentation, sometimes comparing several species to learn how to create the right in vitro environment for oocytes, spermatozoa and early embryos. 2023. Jun 19, 2024 · 1. Avner Hershlag, chief of the Center for Human Reproduction Nov 30, 2023 · Conception is the joining of a sperm and egg, also known as fertilization. The IVF community has favored the bench-top incubator in practice in view of the comparative studies associating its use with improved embryo culture environment Dec 1, 2023 · She is a co-investigator for a Research Development Award in Humanities and Social Science called 'The Future of Human Reproduction: transformative agendas and methods for the Humanities and Jun 20, 2023 · The first-of-its-kind research, published in Human Reproduction, analysed data from 11 studies of over 5,000 women around the world between 1980 and 2021, to evaluate how common it is to get Figure 1 Major advances in reproductive biology (1927–1978) that helped build the scientific foundations for successful in vitro fertilization (IVF) embryo transfer. Mar 31, 2022 · ABSTRACT. Although such extreme scenarios are unlikely ( Engel et al. advertisement Related: New screening tool for IVF embryos leads to birth of healthy children Sep 1, 2020 · Koedooder et al. 0,” NPR’s Rob Stein said in a recent story. [14] Henry T Greely, The death of Roe and the future of ex vivo embryos, 9 Journal of Law and the Biosciences lsac019 (2022). 2). Together, this group of treatments is called assisted reproductive technology. e. Jun 9, 2021 · Today, an estimated 15 percent of couples worldwide are unable to conceive a child naturally, leading to feelings of sorrow, loss and a profound sense of inadequacy for many. This landmark accomplishment followed extensive foundational work with a wide range of animal species including higher primates. By 2100, in vitro fertilization (IVF) might account for Jun 26, 1992 · Using an anthropological discourse analysis approach, the authors analysed the public submissions to the Parliamentary Health Committee on the Human Assisted Reproductive Technologies (HART) Bill and Supplementary Order Paper 80 and provided an opportunity to consider how those who wrote submissions conceptualised important aspects of being human. At present, no remedies are available to counteract the aging-related fertility decay, however different therapeutic approaches can be offered to women older than 35 year undergoing IVF. Adoption of automated IVF systems offers multiple potential advantages: standardization of workflows, reduction in errors, reduction in cost, reduction in Sep 22, 2020 · To note, IVF is unlikely to be cost-beneficial when the LBR per cycle is below 4–10% (ESHRE Capri Workshop Group, 2015). It is an in vivo fertilization — in the body — and not in vitro, in the lab, like IVF. Yet others worried that “manufacturing” human life outside the female body would break the natural bond between procreation and family. 1% in Australia and New Zealand, 1. Sep 8, 2022 · The new possibilities and complexities generated by involving intelligent, powerful algorithms in human creation and reproduction, raise a host of ethical issues for IVF patients, practitioners Jul 9, 2014 · A criticism was raised in a Letter to the Editor of Human Reproduction (Younis, 2012) regarding the brief mention and ill-defined risk factors for a poor ovarian response at a young age. , 1999; Schultz, 2002; Nogueira et al. 5% in 2011 to 44. Here, we describe the main epigenetic modifications that may influence female reproduction and could affect IVF success. Another technology important to the IVF process is cryopreservation of embryos — or An IVF procedure involves several steps, known as an “IVF cycle. Sep 5, 2019 · Human IVF was first achieved in 1969 by Robert Edwards and his colleagues (see Fig. Hence, IVF DOI: 10. • Future development will reduce manual processing steps and reduce the cost of IVF procedures. With highly personalized treatment plans, AI-driven decision-making, and improvements in embryo selection, IVF success rates are on the rise. Both types of IVF, classic IVF and IVF- ICSI (intracytoplasmic sperm injection), allow many women to achieve pregnancy, even if they have serious problems with male or female infertility. In vitro fertilization ( IVF) is the most widely used assisted reproductive technique today in the face of sterility. Morphological assessment of preimplantation stage embryos is a key element of the laboratory work in human assisted reproduction. 116959 Corpus ID: 256527179; Microfluidic in-vitro fertilization technologies: Transforming the future of human reproduction @article{Fang2023MicrofluidicIF, title={Microfluidic in-vitro fertilization technologies: Transforming the future of human reproduction}, author={Yuanghao Fang and Ruige Wu and Joo Mong Lee and Ling Hou Melinda Chan and Kok Yen Jerry Chan Jan 3, 2022 · Abstract. Uterine transplants have been a focus of reproductive medical attention in the last two decades. 7% in China and Nov 18, 2015 · But apart from the clinical IVM approach, in the daily IVF laboratory practice, ∼15% of the oocytes obtained are not at the MII stage but remain at prophase I (∼10%) and MI (∼5%) and their potential clinical use represents a matter of debate (Cha and Chian, 1998; De Vos et al. , 2010). In vitro fertilization currently accounts for the conception of 2%–5% of all newborns in many developed nations (. The purpose of this article is to describe the societal and demographic trends driving increased worldwide demand for IVF, as well Jul 28, 2022 · Hear from the esteemed panelists on the societal and demographic trends driving increased worldwide demand for IVF, as well as an overview of emerging techn (2022) Kushnir et al. The second measure concerned the social program, aimed more at private contacts in the intimate and familiar atmosphere of homes and workplace rather than meetings in luxurious but May 26, 2023 · preimplantation genetic testing. The Capri workshops were permanently discontinued in 2019. May 4, 2023 · The constant decline in fertility and older reproductive age is the major cause of low clinical pregnancy rates in industrialised countries. Routine inverted microscopic investigations are performed at predetermined checkpoints, at least every second day of in vitro culture, and internationally acknowledged criteria are applied for quantitative characterization, although there are some Jan 3, 2017 · 2 weeks to 10 weeks. Jan 6, 2017 · The advent of embryo and oocyte vitrification today gives reproductive specialists an opportunity to consider new strategies for improving the practice and results of IVF attempts. It involves fertilizing an egg with sperm outside the body to form an May 26, 2016 · An increasing number of studies is the safest way a baby. IVF: 6 Million Babies Later Science Museum, London 5 July 2018 to November 2018. Jun 16, 2023 · IN VITRO FERTILIZATION OVERVIEW. If not successful, in vitro fertilization (IVF) is the next step. In most cases, conception occurs in a woman’s fallopian tube in the hours or days following sexual intercourse. For IVF, a person's eggs are fertilized by sperm in a laboratory. Reproductive medicine, and especially IVF, is rapidly transforming human reproduction and is thus bound to remain of fundamental importance to both science and society. This change is a substantial milestone for the IVF was seen as revolutionary in 1978 when the first two IVF babies were born, in the UK and India. clinic, which was accused of negligence in storing their embryos. You may notice typical pregnancy symptoms such as Feb 22, 2018 · This demonstrates a tacit assumption across the press that IVF is about reproduction, parenting and marriage more than it is about science, politics or economics – and that readers would be most interested in the human face of IVF, namely the Browns. 1007/s43032-021-00829-3) Increased demand for in vitro fertilization (IVF) due to socio-demographic trends, and supply facilitated by new technologies, converged to transform the way a substantial proportion of humans reproduce. In vitro fertilization is the most effective type of fertility treatment that involves the handling of eggs or embryos and sperm. F. 8 babies on average many obstetricians choose to give birth in this way. nlm. The eggs are then retrieved from the ovaries. ). The ESHRE Capri workshop group is a long-lasting initiative, started in 1986, that annually brought together a varying small group of researchers from all over the world to discuss topics in the field of human reproduction. The new possibilities and complexities generated by involving intel-ligent, powerful algorithms in human creation and reproduction, raise a host of ethical issues Jan 2, 2022 · (DOI: 10. Epigenetic mechanisms impact on proper embryonic development in women undergoing in vitro fertilisation (IVF) protocols. Reproduction. This essay was written as a tribute to mark the unique Nov 13, 2012 · The development of the technique of in vitro fertilization (IVF) helped to make it possible for a couple to reproduce, to have a child, without normal sexual intercourse. Feb 20, 2019 · Advanced maternal age (AMA; >35 year) is associated with a decline in both ovarian reserve and oocyte competence. The use of in vitro fertilization (IVF) continues to increase. Sep 5, 2023 · Abstract. The novel introduction of artificial intelligence (AI) into in vitro fertilization (IVF) technologies (AI(i)IVF) is, at the same time, medically promising and ethically disconcerting. This universal decline in fertility is being driven by increasing prosperity largely through the mediation of social factors, the most powerful of which are the education of women and an accompanying shift in life’s purpose away from procreation. During this part of your pregnancy, you will remain under the care of your fertility clinic. Over the past half-century, the world has witnessed a steep decline in fertility rates in virtually every country on Earth. Graphical Jan 20, 2022 · Others noted that there were many children needing adoption making IVF unnecessary. Louise Brown, the first baby conceived after IVF, was born on 25 July 1978 and turned 27 last year. V. While assisted reproductive technology (ART), including in vitro fertilization has given hope to millions of couples suffering from infertility, it has also introduced countless ethical, legal, and social challenges. , 2010 and references within; Barratt and De Jonge, 2010; Aitken et al. (2019b) performed a prospective study of reproductive-age women undergoing IVF and found that embryo implantation was less successful in women with reduced Lactobacillus spp. [15] N Gleicher, V A Kushnir & D H Barad, Worldwide decline of IVF birth rates and its probable causes, 2019 Human Reproduction Open IVF is a method of assisted reproduction in which a man’s sperm and a woman’s eggs are combined outside of the body in a laboratory dish. Credit: CC Studio/SPL. Jun 30, 2014 · Here are seven ways fertility treatments could change in the future. From one perspective, her birth can be seen as the culmination of 300 years of medical and scientific investigation aimed at understanding the fascinating process of reproduction. springer. ) Jan 8, 2018 · Background Drivers of change in dairy herd health management include the significant increase in herd/farm size, quota removal (within Europe) and the increase in technologies to aid in dairy cow reproductive management. In vitro fertilization (IVF) is a treatment for infertility. The objective of this paper is to identify the aspects of ART that are most relevant to present-day society and . In the definition of POR by the BC, at least two of the following features must be present: advanced maternal age (⩾40 years), a previous poor ovarian response with ⩽3 oocytes retrieved after conventional stimulation and/or an abnormal ovarian reserve test (ORT) [i. In both figures, the blue boxes denote advances in human IVF, the green boxes refer to advances in animals or related reproductive science, and the orange boxes refer to legislative barriers to IVF research. Conception marks the first step toward Oct 27, 2023 · IVF in 2023 is marked by remarkable advancements and exciting prospects. Moreover, IVF is increasingly coupled with sophisticated genetic testing of embryos. This review summarizes the main current May 25, 2023 · Researchers are inching closer to mass-producing eggs and sperm in the lab from ordinary human cells. 1 ng/ml]. Greely, The End of Sex and the Future of Human Reproduction (2016). " - The New York Times In recent years, the field of reproductive medicine has witnessed Sep 9, 2022 · The novel introduction of artificial intelligence (AI) into in vitro fertilization (IVF) technologies (AI(i)IVF) is, at the same time, medically promising and ethically disconcerting. The purpose of this article is to describe the s vation. Undergoing an IVF program consists of a GnRH agonist or antagonist protocol, individually chosen, followed by gonadotropin stimulation. Artificial insemination is when specially washed semen is directly transferred into a woman’s uterus via the cervix. During the ESHRE consensus process, a detailed definition of the risk factors was not addressed because, as underlined by Dr Younis, some are well established Sep 22, 2020 · Introduction. Childbirth. “Think of it as IVF 2. 1. 2023 by American Society for Reproductive Medicine. In this Primer, I first consider the early work on humans and animals that led up to Edwards' success, and then focus on Edwards, Patrick Steptoe and Jean Purdy and how their work led to the first IVF babies in 1978 and 1979. gov advances important to the development of IVF and then addresses the potential future developments in IVF. Dec 18, 2020 · In 1981, a prominent Australian IVF clinician, William Walters, predicted a range of research directions for AR, and noted potential issues associated with them. Women suffering from absolute uterine factor infertility (AUFI) had no hope of childbearing until clinical feasibility of uterus transplantation (UTx) was documented in 2014 with the birth of a healthy baby. While IVF access and utilization vary widely glob-ally, the practice now accounts for the conception of over 5% of all newborns in some European countries where IVF is more aordable and/or is covered by insurance []. As the freezing of entire cohorts does not compromise, and may even improve, the results of IVF attempts, it is possible to break away from the standard sequence of Dec 26, 2023 · Of them, 306 IVF cycles and the related 355 transfer cycles (normal semen samples prepared by DGC/SU) were set as the normal group, while 223 IVF cycles and the related 267 transfer cycles (poor Jul 3, 2020 · Reproductive function adjusts in response to environmental conditions in order to optimize success. It is likely that in the near future, as many as 10% of all chil-dren Feb 21, 2024 · About 2% of births in the US results from IVF. You may have appointments and ultrasounds every 1 to 2 weeks. The 1 corresponding gure presently stands at 4. Human-interest stories encourage readers to engage with a story at an emotional level. ) The eggs are then fertilized with sperm (in a petri dish Feb 28, 2013 · In contrast, a New Zealand study of young children found that IVF children were taller, and had a trend towards a higher serum IGF-1 and a significantly elevated serum IGF-II than the control group, with a more favourable lipid profile and no differences in the percent fat mass as assessed by DEXA scanning (Miles et al. IVG refers to the Apr 19, 2016 · The most extreme evolutionary scenario is a subpopulation in which reproduction is entirely dependent on IVF. A century from Aug 14, 2019 · Infertility is considered a major public health issue, and approximately 1 out of 6 people worldwide suffer from infertility during their reproductive lifespans. The book traces the work of IVF teams as they developed new techniques and laid the foundations of a multi-billion-dollar industry. See full list on link. ”. The authors proposed an algorithm, utilising the IS-pro sequencing method, to predict the IVF success rate based on the Jul 5, 2018 · A human egg is fertilized in vitro. Procedures in Reproductive Medicine are not always the result of rigorous scientific assessment. Jan 3, 2022 · Increased demand for in vitro fertilization (IVF) due to socio-demographic trends, and supply facilitated by new technologies, converged to transform the way a substantial proportion of humans reproduce. A patient at the hospital where the embryos Mild ovarian stimulation is a treatment option for poor responders in IVF treatment. May 26, 2023 · In vitro fertilization currently accounts for the conception of 2%–5% of all newborns in many developed nations ( 1 ). Our updated review evaluated mild IVF solely from randomized controlled trials (RCTs) that used genuine low-dose gonadotrophin (≤150 IU daily) alone or in combination with oral medications, comparing it with conventional-dose (>150 IU/ daily) IVF for poor responders. Efforts to alleviate infertility using advanced technology are gaining traction rapidly as infertility has an enormous impact on couples and the potential to Jun 27, 2021 · The New IVF Law has brought a significant change in respect of the freezing of human embryos. At the same time, individual species characteristics such as gamete physiology and gamete interaction are recently evolved traits and must be analysed Jan 3, 2022 · Figure 1 illustrates the future IVF lab-on-a-chip concept, including all of the laboratory steps performed during IVF while integrating emerging non-invasive techniques of embryo assessment. IVF can be done using a couple's own eggs and sperm. The still wobbly evidence base of IVF. Non-invasive prenatal testing, extended cryopreservation options, and emerging technologies like mitochondrial replacement therapy Document The Future of. , 1996 ), the heritability of the so-called fitness traits, referring to complex measures of fertility and mortality, has also been clearly documented in human populations Jun 20, 2023 · Reviewed by Lily Ramsey, LLM Jun 20 2023. Jan 4, 2012 · Background. Around 20% of women who needed fertility treatment, such as IVF, to conceive their first child are likely to get pregnant naturally in the future, finds a Dec 21, 2022 · Harnessing AI technology for IVF embryo selection. Increased demand for in vitro fertilization (IVF) due to socio-demographic trends, and supply facilitated by new technologies, converged to transform the way a substantial proportion of humans reproduce. Main body There are a number of key areas for improving fertility management these include: i) handling of substantial volumes of data, ii) genetic selection (including Nov 4, 2020 · Fully anonymised retrospective electronic data (IDEAS™, Mellowood Medical, Toronto, Canada) on IVF and ICSI cycles were extracted from a tertiary IVF centre in the South of England, UK from 1 January 2011 to 30 November 2019. , 2004). January and hence immediate need is to start clinical registry along with biorepository of developmental defects cases for future Oct 21, 2023 · "Revolutionary breakthrough in reproductive medicine promises to reshape the future of human reproduction. First, a patient takes fertility drugs to stimulate their ovaries to produce many eggs. While evolution is central to all biological processes, the key stage for competition and selection is reproduction, which encompasses various events from courtship and mating to fertilization and pregnancy. • Recent applications of microfluidic technologies on IVF are discussed. One or more fertilized eggs (embryos) may be transferred into the woman’s uterus, where they may implant in the uterine lining and develop. Humans are shaped by evolution through natural selection, as are all species. The first concerned the scientific program: the new and trend-setting aspects of IVF would be discussed primarily rather than the results of traditional methods. IVF embryos "is going to take a whole new direction," said Dr. The technique could provide new ways to treat infertility but also open a Pandora's box. By in vitro fertilization (IVF), more than 5 million babies have been born worldwide till now and the number is increasing. The Future of IVF: The New Normal in Human Reproduction ncbi. docx, Subject Biology, from Minnesota State University, Mankato, Length: 6 pages, Preview: The Future of IVF: The New Normal in Human Reproduction Vitaly A. Greely. In the United States, the proportion of IVF cycles that use preimplantation genetic testing (PGT) increased from 4. The growing utilization of IVF will transform the way a substantial proportion of the human species procreates. (Fertil Steril Sci 2023;4:102–13. Having an abnormal number of chromosomes, a condition Feb 10, 2023 · [13] Henry T. trac. Reproductive Sciences. The purpose of this article is to describe the societal and demographic trends driving increased worldwide demand for IVF, as well as to provide an overview Nov 28, 2022 · IUI is a first-line treatment for mild male fertility, and it could be combined with ovarian stimulation in the treatment of couples. Jan 3, 2022 · Thus, it is imperative for the field to prioritize requiring confirmation of safety and efficacy of technologies before allowing them to be offered routinely to IVF patients. Human infertility is a major global public health issue estimated to affect one out of six couples, while the number of assisted reproduction cycles grows impressively year over year. In general, we argue that IVF facilitates the redirection of resources away from reproduction in humans, since reproduction by IVF bypasses some of the resource-demanding processes that reproduction by coitus entails. Or it may involve eggs, sperm or embryos from a known or unknown donor. ART allows scientists to manipulate the fertilization process in order to bypass some pathological obstacles such as blocked fallopian tubes and non Mar 9, 2023 · The first live birth via IVF in a uterine transplant in the United States occurred in 2017, and the IVF-transplant procedure has resulted in 70 uterine transfers with 14 live births worldwide as of June 2021. Indeed this is the main point of the procedure: for there are many couples, about one in seven, who encounter difficulties in having children through normal sexual intercourse. Jan 29, 2022 · During a human IVF cycle, oocytes are recovered from a pre-ovulatory follicle in a mature (metaphase II (MII)) state following administration of human chorionic gonadotropin (hCG) or a gonadotropin releasing hormone (GnRH) agonist intended to trigger maturation of the oocyte and ovulation and are fertilized almost immediately. Then, it was used to refer to artificial insemination —not IVF. While the clinical pregnancy rates in GIFT and ZIFT procedures are comparable Jun 16, 2016 · The following is an excerpt from The End of Sex and the Future of Human Reproduction by Henry T. Jan 1, 2006 · study question: The 15th European IVF-monitoring (EIM) report presents the results of treatments involving assisted reproductive technology (ART) initiated in Europe during 2011: are there any Mar 1, 2023 · Microfluidic technology can transform the future of assisted reproductive technology (ART). Many developments took place – among others – in the embryology laboratory in the last few decades. in their vaginal microbiota. (In some cases, eggs from a donor may be used, so these first steps may be omitted. Jul 4, 2019 · Abstract. The clinical Feb 29, 2024 · IVF is a type of artificial reproductive technology that allows people with a range of fertility issues to conceive a child. 9% in the USA, and 1. The purpose of this article is to describe the societal and demographic trends driving increased worldwide demand for IVF, as well as to provide an overview of emerging technologies that The genomic selection of young animals or even embryos combined with sexing and freezing technologies is driving a new era of IVF in the dairy sector. Public interest in Assisted Reproductive Technology (ART) has remained high since the birth of the world’s first in vitro fertilization baby, Louise Brown, in the United Kingdom. Fertility centres are now permitted to freeze human embryos for a period of 5 years (extendable upon request). Jun 5, 2024 · The 2020 European Society of Human Reproduction and Embryology (ESHRE) guidelines also recommend the use of clomiphene alone or in combination with gonadotropin for ovarian stimulation in patients Oct 2, 2023 · It’s been hailed as revolutionary technology that will be life-altering for those with infertility. This is a book about the future of our species, about the likely development of revolutionary biological technologies, and about the deep ethical and legal challenges our societies will face as a result. He observed, for example, that sending human IVF embryos into space to populate new human colonies would be a future possibility. Jul 24, 2018 · A single genetically normal embryo can then be thawed and returned to the prospective mother’s uterus. Research to advance IVF, involving creation as well as potential loss of embryos, was seen by many as inherently immoral. Doctors generally use the term "infertility" when a couple is unable to become pregnant after one year of unprotected sex. An artificial intelligence algorithm can determine non-invasively, with about 70% accuracy, if an in vitro fertilized embryo has a normal or abnormal number of chromosomes, according to a new study from researchers at Weill Cornell Medicine. • Microfluidics can be integrated into all stages of embryo production. We also consider what future advances are possible in the United States given the current regulations, laws, and funding. ix pi ja uf oa fg hg nz wv lp