Yangqin Peng
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View article: Ultrasound evaluation of changes in endometrial receptivity from the day of ovulation to the day of transfer in patients with a history of intrauterine adhesions: a prospective cohort study
Ultrasound evaluation of changes in endometrial receptivity from the day of ovulation to the day of transfer in patients with a history of intrauterine adhesions: a prospective cohort study Open
During natural cycles, in patients with a history of IUA, endometrial morphology mainly changed from type C to B, thickness increased, and the volume and frequency of peristalsis decreased. The blood supply of both the endometrium and sube…
View article: No differences in IVF pregnancy outcomes following hysteroscopic polypectomy using a manual hysteroscopic tissue removal device versus conventional resection
No differences in IVF pregnancy outcomes following hysteroscopic polypectomy using a manual hysteroscopic tissue removal device versus conventional resection Open
View article: Corrigendum: The impact of intrauterine adhesions on endometrial receptivity in patients undergoing in vitro fertilization-embryo transfer
Corrigendum: The impact of intrauterine adhesions on endometrial receptivity in patients undergoing in vitro fertilization-embryo transfer Open
[This corrects the article DOI: 10.3389/fendo.2024.1489839.].
View article: The effect of surgical treatment of tubal pregnancy on concurrent intrauterine pregnancy after in vitro fertilization
The effect of surgical treatment of tubal pregnancy on concurrent intrauterine pregnancy after in vitro fertilization Open
View article: The impact of intrauterine adhesions on endometrial receptivity in patients undergoing in vitro fertilization-embryo transfer
The impact of intrauterine adhesions on endometrial receptivity in patients undergoing in vitro fertilization-embryo transfer Open
Objective To clarify whether intrauterine adhesions (IUAs) affect endometrial receptivity (ER) on the day of ovulation and to compare patients with mild and moderate-severe adhesions. Methods This prospective cohort study included 592 infe…
View article: Is expectant management feasible for select patients diagnosed with a heterotopic tubal pregnancy following in vitro fertilization/intracytoplasmic sperm injection?
Is expectant management feasible for select patients diagnosed with a heterotopic tubal pregnancy following in vitro fertilization/intracytoplasmic sperm injection? Open
View article: Surgical treatment of fallopian tubal pregnancy and interstitial pregnancy has no differential effect on intrauterine pregnancy after in vitro fertilization-embryo transfer
Surgical treatment of fallopian tubal pregnancy and interstitial pregnancy has no differential effect on intrauterine pregnancy after in vitro fertilization-embryo transfer Open
View article: Comparison of clinical and para-clinical characteristics between children and adults with the Omicron variant of COVID-19
Comparison of clinical and para-clinical characteristics between children and adults with the Omicron variant of COVID-19 Open
Introduction: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant is associated with higher transmissibility, but lower disease severity, compared to some other variants. However, its exact pathogenicity among …
View article: First-trimester ultrasound diagnosis and risk factor analysis of cesarean scar pregnancy after in vitro fertilization-embryo transfer
First-trimester ultrasound diagnosis and risk factor analysis of cesarean scar pregnancy after in vitro fertilization-embryo transfer Open
First-trimester TVS performed by an experienced sonographer has a high sensitivity for making the correct diagnosis of CSP after IVF-ET, which is helpful for clinical intervention and avoiding severe complications. For patients with a hist…
View article: Novel insights into necrozoospermia from a single-center study: reference ranges, possible etiology, and impact on male fertility
Novel insights into necrozoospermia from a single-center study: reference ranges, possible etiology, and impact on male fertility Open
Necrozoospermia is a poorly documented condition with a low incidence, and its definition and clinical significance are unclear. Herein, we provide a reference range for necrozoospermia and discuss its possible etiology and impact on male …
View article: Comparison of stimulation protocols for dose determination of gonadotropins: A systematic review and Bayesian network meta‐analysis based on randomized controlled trials
Comparison of stimulation protocols for dose determination of gonadotropins: A systematic review and Bayesian network meta‐analysis based on randomized controlled trials Open
Background To date, evidence regarding the effectiveness and safety of individualized controlled ovarian stimulation (COS) compared with standard dose COS has been inadequate. Objectives To evaluate the updated evidence from published rand…
View article: Early GnRH-agonist therapy does not negatively impact the endometrial repair process or live birth rate
Early GnRH-agonist therapy does not negatively impact the endometrial repair process or live birth rate Open
Study objective To investigate whether different timings of GnRH-a downregulation affected assisted reproductive outcomes in infertile women with moderate-to-severe intrauterine adhesions (IUAs) accompanied by adenomyosis. Design A retrosp…
View article: An endometrial receptivity scoring system evaluated by ultrasonography in patients undergoing frozen–thawed embryo transfer: a prospective cohort study
An endometrial receptivity scoring system evaluated by ultrasonography in patients undergoing frozen–thawed embryo transfer: a prospective cohort study Open
Introduction Ultrasound has become a routine method for endometrial receptivity (ER) evaluation. However, there is controversy over the independent evaluation values of various ultrasound indicators. Some researchers have designed multi-in…
View article: Letrozole-stimulated endometrial preparation protocol is a superior alternative to hormone replacement treatment for frozen embryo transfer in women with polycystic ovary syndrome, a cohort study
Letrozole-stimulated endometrial preparation protocol is a superior alternative to hormone replacement treatment for frozen embryo transfer in women with polycystic ovary syndrome, a cohort study Open
Background The current routine endometrial preparation protocol for women with polycystic ovary syndrome (PCOS) is hormone replacement treatment (HRT). Letrozole is rarely used in frozen embryo cycles. Evidence confirming whether letrozole…
View article: Endometrial receptivity change: ultrasound evaluation on ovulation day and transplantation day during the natural frozen embryo transfer cycle
Endometrial receptivity change: ultrasound evaluation on ovulation day and transplantation day during the natural frozen embryo transfer cycle Open
Objective To obtain quantitative and comprehensive results of the changes in comprehensive ER indicators from ovulation day to transplantation day by ultrasonography during the natural frozen-thawed embryo transfer cycle (FET). Methods Thi…
View article: Timely surgical treatment of fallopian tubal pregnancy and interstitial pregnancy have no differential effect on intrauterine pregnancies after in vitro fertilization-embryo transfer
Timely surgical treatment of fallopian tubal pregnancy and interstitial pregnancy have no differential effect on intrauterine pregnancies after in vitro fertilization-embryo transfer Open
Background Due to the specific nature of interstitial pregnancy (IP), there are significant risks to both the mother and the foetus in women with a heterotopic interstitial pregnancy. IP alone has been analysed as a site-specific ectopic p…
View article: Sperm acrosin activity may be a useful factor in choosing between ICSI and IVF for infertile male patients
Sperm acrosin activity may be a useful factor in choosing between ICSI and IVF for infertile male patients Open
The clinical applications of acrosin activity are limited. We analyzed 61 578 male partners in infertile couples who visited the outpatient department of the Reproductive and Genetic Hospital of CITIC-Xiangya (Changsha, China) between Augu…
View article: A simple scoring system for the prediction of early pregnancy loss developed by following 13,977 infertile patients after in vitro fertilization
A simple scoring system for the prediction of early pregnancy loss developed by following 13,977 infertile patients after in vitro fertilization Open
A retrospective study was conducted to investigate a convenient simple scoring system for the prediction of early pregnancy loss (EPL) based on simple demographics. A total of 13,977 women undergoing transvaginal ultrasound scans on Days 2…
View article: Embryo development, pregnancy and live birth outcomes following IVF treatment were not compromised during the COVID-19 pandemic
Embryo development, pregnancy and live birth outcomes following IVF treatment were not compromised during the COVID-19 pandemic Open
View article: A simple scoring system for the prediction of early pregnancy loss developed by following 13,977 infertile patients after in vitro fertilization
A simple scoring system for the prediction of early pregnancy loss developed by following 13,977 infertile patients after in vitro fertilization Open
In order to investigate a convenient simple scoring system for the prediction of early pregnancy loss (EPL) based on simple demographics, a retrospective study with 13,977 women undergoing transvaginal ultrasound scan on Days 27–29 after i…
View article: Cohort Profile: CITIC-Xiangya Assisted Reproductive Technology Cohort (CXART Cohort)
Cohort Profile: CITIC-Xiangya Assisted Reproductive Technology Cohort (CXART Cohort) Open
To address the data source gap between the wide use of assisted reproductive technology (ART) and deficiencies in clinical and biological research, the CITIC-Xiangya Assisted Reproductive Technology (CXART) Cohort began to enroll infertile…
View article: Vacuolization in embryos on days 3 and 4 of in vitro development: Association with stimulation protocols, embryo development, chromosomal status, pregnancy and neonatal outcomes
Vacuolization in embryos on days 3 and 4 of in vitro development: Association with stimulation protocols, embryo development, chromosomal status, pregnancy and neonatal outcomes Open
Study question Is vacuolization in embryos on Days 3 and 4 associated with parent-related factors, stimulation protocols, embryo development, embryo ploidy, pregnancy and neonatal outcomes? Study design, size, duration This is a retrospect…
View article: Effectiveness and Safety of Two Consecutive Cycles of Single Embryo Transfer Compared With One Cycle of Double Embryo Transfer: A Systematic Review and Meta-Analysis
Effectiveness and Safety of Two Consecutive Cycles of Single Embryo Transfer Compared With One Cycle of Double Embryo Transfer: A Systematic Review and Meta-Analysis Open
Objective To date, evidence regarding the effectiveness and safety of two consecutive cycles of single embryo transfer (2SETs) compared with one cycle of double embryo transfer (DET) has been inadequate, particularly considering infertile …
View article: Risk Factors Affecting Alternate Segregation in Blastocysts From Preimplantation Genetic Testing Cycles of Autosomal Reciprocal Translocations
Risk Factors Affecting Alternate Segregation in Blastocysts From Preimplantation Genetic Testing Cycles of Autosomal Reciprocal Translocations Open
Reciprocal translocations are the most common structural chromosome rearrangements and may be associated with reproductive problems. Therefore, the objective of this study was to analyze factors that can influence meiotic segregation patte…
View article: Risk factors associated with preterm birth after IVF/ICSI
Risk factors associated with preterm birth after IVF/ICSI Open
View article: Comparisons of benefits and risks of single embryo transfer versus double embryo transfer: a systematic review and meta-analysis
Comparisons of benefits and risks of single embryo transfer versus double embryo transfer: a systematic review and meta-analysis Open
View article: Maternal risk factors associated with preterm birth after IVF/ICSI
Maternal risk factors associated with preterm birth after IVF/ICSI Open
In vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI).is associated with an increased risk of preterm (33rd - 37th gestational week), and early preterm birth (20th - 32nd gestational week). The underlying general and procedure…
View article: Impact of vitamin D on human embryo implantation—a prospective cohort study in women undergoing fresh embryo transfer
Impact of vitamin D on human embryo implantation—a prospective cohort study in women undergoing fresh embryo transfer Open
View article: HIV prevalence among 338,432 infertile individuals in Hunan, China, 2012-2018: A cross-sectional study
HIV prevalence among 338,432 infertile individuals in Hunan, China, 2012-2018: A cross-sectional study Open
This study expands upon existing knowledge of HIV prevalence in the infertile Chinese population. However, much work is needed to achieve popularization of prevention knowledge and change concept. Routine HIV screening is urgently needed f…
View article: Agroecological zoning of Nicaragua through multiple factor analysis and cluster analysis
Agroecological zoning of Nicaragua through multiple factor analysis and cluster analysis Open
This dataset contains the final product of an agroecological zone classification for Nicaragua. The classification was created using data layers from worldclim, soilgrid and INETER (Instituto Nicaragüense de Estudios Territoriales). The un…