Female Fertility

Zhang, Lu; Yan, Liying; Zhi, Xu; Yan, Jie

doi:10.4103/0366-6999.150115

Cited by 21 publications

(8 citation statements)

References 119 publications

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“…The American Society of Reproductive Medicine declared ICSI might be a safe and effective technology for the management of male infertility in 1994. Generally, ICSI is considered as a safe alternative for couples who would be unable to achieve a successful pregnancy ( 29 , 30 ). There were potential controversies regarding offspring obtained via ICSI in the following aspects: the obstetrical outcomes of pregnancies, chromosomal abnormalities associated with the offspring obtained via ICSI, congenital malformations of the newborns resulting from ICSI procedures, and developmental abnormalities in postnatal children resulting from ICSI ( 29 ).…”

Section: Discussionmentioning

confidence: 99%

The bibliometric analysis of studies on intracytoplasmic sperm injection from 2002 to 2021

Shen

Xiao²,

Han³

et al. 2023

Front. Endocrinol.

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BackgroundInfertility is estimated to occur in 1 out of every 4–7 couples. Intracytoplasmic sperm injection (ICSI), a type of assisted reproduction introduced in 1992, has been used across the world for almost all indications of infertility, yielding high pregnancy rates. There is a growing concern worldwide about ICSI since semen quality has declined in recent years, accompanied with the potential risks of this technology. This study aims to analyze the current status and hotspots of ICSI via a bibliometric analysis.MethodsWe retrieved publications on ICSI from the Web of Science Core Collection database from 2002 to 2021. CiteSpace was used to summarize knowledge mapping of subject categories, keywords, and co-citation relationships with the strongest citation bursts. VOSviewer was used to explore co-citation and co-occurrence relationships for countries, organizations, references, authors, and keywords.ResultsA total of 8271 publications were analyzed between 2002 and 2021. The major findings are as follows: the USA, China, Italy, Japan, and Belgium are the top five prolific countries. The Free University of Brussels, University of Copenhagen, University of Valencia, Ghent University, and the University of California San Francisco are the top five contributing organizations. Fertility and Sterility and Human Reproduction are the most productive and cited journals. The hotspot topics are risks of ICSI, oocyte preservation, live birth rate, infertile men, and embryo quality in the past two decades.ConclusionThis study presents a research overview of ICSI from different perspectives. These findings will contribute to a better understanding of the current status of ICSI research and provide hotspots and trends for future studies.

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Section: Discussionmentioning

confidence: 99%

The bibliometric analysis of studies on intracytoplasmic sperm injection from 2002 to 2021

Shen

Xiao²,

Han³

et al. 2023

Front. Endocrinol.

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“…It is more than 30 years since Trounson and Mohr reported the successful cryopreservation and thawing of supernumerary human embryos after IVF or IVF/ICSI treatment, and Zeilmaker reported the first live birth (LB) after FET. [ 16 , 17 ] The technique introduced by these pioneers has had a profound impact on ART; FET performed is associated with good outcomes, and vitrification of embryos obtained better clinical outcomes and did not increase the risks of DNA damage, spindle configuration, embryonic aneuploidy, and genomic imprinting as compared with fresh procedures, [ 18 ] therefore, the freeze-all policy can serve as an alternative to fresh embryo transfer to avoid the deleterious effects of COS in embryo-endometrium synchrony. [ 19 , 20 ] Therefore, in our study, we chose the “freeze-all” strategy.…”

Section: Discussionmentioning

confidence: 99%

Pregnancy outcomes of the first thawing cycle in “freeze-all” strategy of infertility patients with fever during oocyte recruitment: a matched-pair study

Lin

Niu

Zhang

et al. 2020

Chinese Medical Journal

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Background: It is currently unknown whether patients with a fever after controlled ovulation during egg retrieval could increase the risk of pelvic infection or not, and fever itself may affect endometrial receptivity or embryo quality with poor pregnancy outcomes. The aim of this study was to analyze the outcomes of patients with fever during oocyte retrieval after the first frozen-thawed embryo transfer (FET) cycle. Methods: This was a 1:3 retrospective paired study matched for age. In this study, 58 infertility patients (Group 1) had a fever during the control ovulation, and the time of the oocyte retrieval was within 72 hours, they underwent ovum pick up and whole embryo freezing (“freeze-all” strategy). The control subjects (Group 2) are 174 patients matched for age who underwent whole embryo freezing for other reasons. The baseline characteristics, clinical data of ovarian stimulation, and outcomes, such as the clinical pregnancy rate, ongoing clinical pregnancy rate were compared between the two groups in the subsequent FET cycle. Results: All patients had no pelvic inflammatory disease after oocyte retrieval. Anti-Mullerian hormone (AMH) levels (4.2 vs . 2.2, P <0.001) were higher in group 2, and the number of oocytes retrieved, and fertilization rate were lower in group 1 ( P < 0.001), but the endometrial thickness, the number of embryo transfers, and the type of luteal support supplementation were similar between the two groups. Regarding pregnancy outcomes in the subsequent FET cycle, the implantation rate, clinical pregnancy rate, early spontaneous rate, ectopic pregnancy rate, and ongoing pregnancy rate were all not significantly different. Further regression analyses showed that the clinical pregnancy rate and ongoing pregnancy rate were also not significantly different. Conclusions: Transvaginal ultrasound-guided follicular puncture for oocyte retrieval is a safe and minimally invasive method for patients with fever. Moreover, the fever had almost no effect on embryo quality.

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“…The ovarian tissue cryopreservation is a complex technique that requires experience and validation [ 8 , 10 , 11 ]. Although reproductive performance and recovery of regular cyclic function after transplantation of cryopreserved ovarian tissue are encouraging [ 12 – 14 ], several studies report a decreased reproductive potential of frozen ovarian tissue transplantation than fresh one [ 15 – 18 ]. It might be likely related to the cryopreservation procedure that determine oocyte/stroma damage [ 19 , 20 ] or to ischemic injury to follicles, caused by the freeze-thaw procedures in cryopreserved ovarian grafts [ 21 – 23 ].…”

Section: Discussionmentioning

confidence: 99%

Long-term storage does not impact the quality of cryopreserved human ovarian tissue

et al. 2016

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BackgroundOvarian tissue cryopreservation is an emerging technique, also addressed to very young cancer patients, for whom it is not possible to perform an ovarian stimulation for oocytes freezing, before gonadotoxic treatment. In this cases, ovarian tissue must be cryopreserved for a long period of time and it is very important to know if it maintains fertility function after a long period of storage. Here we aimed to assess the effect of long-term storage on preservation and viability of cryopreserved human ovarian tissue.MethodsDescriptive study of three cases of cancer patients whose cryopreserved ovarian tissue remained stored for 18 years. Long-term stored tissue was examined by histological and immunohistochemical analysis, transmission electron microscopy, TUNEL assay and LIVE/DEAD viability/citotoxicity test.ResultsOvarian tissue stored for 18 years showed a good morphology. Follicles presented negative staining for estrogen and progesterone receptors, positive staining for ki67 in granulosa cells and/or oocytes and for bcl2 in granulosa cells. Regarding stroma, patch/focal positive expression was found for estrogen receptor and ki67, diffusely positive expression for progesterone receptor and bcl2. After long-term storage, ultrastructural examination showed sub-cellular integrity of follicles and interstitial oedema foci. No apoptosis was observable by TUNEL assay. Stromal cell viability remained >97 % during the culture period.ConclusionThe evaluation of different aspects of the tissue provides evidence that the storage time does not impact on tissue quality and gives hope especially to cancer girls, whose tissues could remain cryopreserved for a very long time.

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Female Fertility

Cited by 21 publications

References 119 publications

The bibliometric analysis of studies on intracytoplasmic sperm injection from 2002 to 2021

The bibliometric analysis of studies on intracytoplasmic sperm injection from 2002 to 2021

Pregnancy outcomes of the first thawing cycle in “freeze-all” strategy of infertility patients with fever during oocyte recruitment: a matched-pair study

Long-term storage does not impact the quality of cryopreserved human ovarian tissue

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