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• W4381620006 abstract "Abstract Study question Will use of surgically retrieved Testicular Sperms (TESA) in Intra-Cytoplasmic Sperm Injection (ICSI) cycles increase embryo aneuploidy? Summary answer Use of TESA sperms for ICSI seems safe and doesn’t increase embryo aneuploidy. TESA performed for various indications also showed no variation with embryo aneuploidy. What is known already Invention of ICSI and improved surgical sperm retrieval techniques have helped men with severe male factor infertility to father their own genetic child. Sperms retrieved from seminiferous tubules of testes are considered immature as they haven’t completed the process of spermiogensis. It is hypothesized that use of TESA sperm for ICSI can increase embryo aneuploidy, which is still uncertain. Study design, size, duration This retrospective study conducted at a private fertility clinic from 2014–2022 (n = 265 patients; total of 860 embryos evaluated). Study populationTESA sperm used and PGT-A done (n = 66). TESA group was further sub-divided into 2 groups based on the indication for TESA,Non-Obstructive Azoospermia(n = 26) and Raised SDF(n = 40). Control Population Ejaculated sperm used and PGT-A done (n = 199) Only younger women(&lt;37yrs) with self-gametes and RIFconsidered in this study. RIF was defined as women with 2 failed IVFcycles in thepast with at least 4 blastocystsbeing transferred. Participants/materials, setting, methods All fertilized oocytes inseminated by ICSI and subjected to extended blastocyst culture. TESA done as per our clinic’s SOP and for control group sperm preparation done by density gradient method. Trophectoderm biopsy was performed and sent for PGT-A to the genetic lab. Next-Generation sequencing (NGS) was the Comprehensive Chromosomal technique (CCS) used for assessing embryo ploidy status. Aneuploidy across all groups compared. Main results and the role of chance Following were the Aneuploidy rates of TESA sperm, Ejaculate sperm group and TESA done for NOA and SDF respectively. Ejaculate Sperm – Aneuploidy%- 42% TESA Sperm (irrespective of the indication)- Aneuploidy%- 44% (p = 0.6260) TESA Sperm (done for NOA)- Aneuploidy%- 44% (p = 0.7504) TESA Sperm (done for raised SDF) – Aneuploidy%- 32% (p = 0.05) Embryo aneuploidy was comparable between Ejaculate and TESA sperm group. Though TESA sperm is considered immature, it didn’t seem to increase embryo aneuploidy. Embryo Aneuploidy from TESA sperm ICSI cycles done for NOA or raised SDF also showed no altering trend. Data from this study is suggestive that TESA sperm doesn’t alter embryo ploidy status. Limitations, reasons for caution Data is retrospective with small sample size and unequal distribution. A well designed Randomized Trial might help test the inference of this study further. Wider implications of the findings Incidence of male infertility and use of ICSI is on a rise globally. Interventions to optimize embryo implantation and reproductive outcomes will help with better success rates and shorten duration to conception. Further research is warranted with severe male factor infertility to improve sperm selection techniques and reproductive outcomes. Trial registration number not applicable" @default.
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• W4381620006 date "2023-06-01" @default.
• W4381620006 modified "2023-09-23" @default.
• W4381620006 title "P-143 Will Use of Testicular sperm in ICSI cycles increase Embryo Aneuploidy?" @default.
• W4381620006 doi "https://doi.org/10.1093/humrep/dead093.507" @default.
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