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Background: In vitro fertilization (IVF) has revolutionized infertility treatment. Nevertheless, male infertility requires more effective solutions. In 1992, the first-ever case of human birth via intracytoplasmic sperm injection (ICSI) was reported. ICSI involves microscopically injecting a sperm into an ovum. Successful ICSI has become a reliable therapy for couples facing infertility, a significant milestone. However, it has also introduced various challenges. This study also delves into ethical dilemmas arising from widespread ICSI use.
Methods: This review traces the history of ICSI, presenting pioneering attempts, first successful attempts, and critical reports on account of the initial skepticism toward the technology. The review also focuses on chronological progress until ICSI was recognized as effective and became widely applied.
Main Findings: The review reveals that ICSI, although transformative, presents challenges. Successes include addressing male infertility and aiding fertilization. However, concerns arise regarding optimal sperm and embryo selection, genetic mutations, and long-term health implications. Ethical considerations surrounding ICSI's broad applications also surface.
Conclusions: Despite its success and effectiveness, ICSI is still evolving as a therapeutic method. By comprehensively evaluating the historical progress and the current status of ICSI and exploring its future prospects, this study highlights the importance of ICSI in infertility treatment.
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http://dx.doi.org/10.1002/rmb2.12582 | DOI Listing |
BJOG
September 2025
Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
Objective: To evaluate whether maternal intake of sugar-sweetened beverages (SSB) and artificially sweetened beverages (ASB) affects medically assisted reproduction outcomes (MAR).
Design: Prospective cohort study.
Settings: Fertility centre at an academic hospital.
Reprod Sci
September 2025
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
The genetic etiology is unknown for 30-40% of men with congenital bilateral absence of the vas deferens (CBAVD) and 70% of those with congenital unilateral absence of the vas deferens (CUAVD). The study aimed to investigate the genetic etiology of CBAVD/CUAVD, both with and without renal anomalies, in individuals who are negative for CFTR pathogenic variants. We included 19 cases of congenital absence of vas deferens (CAVD) that were negative for CFTR variants on Sanger sequencing.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
September 2025
Gynecology/Obstetrics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Introduction: Several studies indicate that a specific genotype profile could influence ovarian sensitivity to exogenous gonadotropin. However, most of the previous studies were observational and retrospective and thereby more prone to bias. The aim of this study was to evaluate the impact of gonadotropin single nucleotide polymorphisms (SNPs) on the outcomes of fertilization (IVF) in infertile patients undergoing their first ovarian stimulation (OS) cycle.
View Article and Find Full Text PDFMol Genet Genomic Med
September 2025
Cytogenetic Laboratories, Shahid Beheshti Hospital, Hamadan University of Medical Sciences, Hamadan, Iran.
Background: Recurrent Implantation Failure (RIF) is defined as the inability to establish pregnancy despite high-quality embryo transfer after the application of at least three consecutive in vitro fertilization (IVF)/intracytoplasmic sperm injection-embryo transfer procedures. Chromosomal abnormalities are one of the primary reasons for pregnancy failure, miscarriage, and birth defects in both natural conception and IVF pregnancies. This study was to evaluate the incidence of chromosomal abnormalities in peripheral blood samples from 100 couples who experienced RIF.
View Article and Find Full Text PDFHum Reprod
September 2025
IVIRMA Global Research Alliance, Genera, Clinica Valle Giulia, Rome, Italy.
Study Question: Do IVF laboratory workflows influence the mean blastulation rate per cohort of inseminated metaphase II oocytes (m-BR)?
Summary Answer: Neither the total number of procedures nor the workload per operator affected m-BR; instead, each additional hour in the interval from ovulation trigger to oocyte denudation (range 36-44 h) was associated with a measurable decline, especially beyond the 40-h threshold.
What Is Known Already: Control of laboratory conditions and standardized protocols are essential for optimizing m-BR in IVF. While advancements in technology and culture systems have improved ART outcomes, the effect of laboratory managerial decisions and procedural timing on embryological outcomes remains unclear.