OOIR: Observatory of International Research

Papers

(The TQCC of Reproductive Medicine and Biology is 7. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Ectopic expression of the mitochondrial protein COXFA4L3 in human sperm acrosome and its potential application in the selection of male infertility treatments	54
Developmental and functional roles of androgen and interactive signals for external genitalia and erectile tissues	33
CDX2 downregulation in mouse mural trophectoderm during peri‐implantation is heteronomous, dependent on the YAP‐TEAD pathway and controlled by estrogen‐induced factors	31
Risk factors for empty follicle syndrome in assisted reproductive technology with gonadotropin‐releasing hormone agonist trigger	26
The quality of human eggs and its pre‐IVF incubation	26
Mechanobiology of the female reproductive system	26
Pathophysiology of polycystic ovary syndrome revisited: Current understanding and perspectives regarding future research	25
Tacrolimus treatment in women with repeated implantation failures	25
Exome‐based genome‐wide screening of rare variants associated with the risk of polycystic ovary syndrome	24
Donor insemination for heterosexual couples: A practice in transition	24
The morphokinetics algorithm based on data from day 5 blastocyst transfer (KIDScoreD5 version 3) is also useful for embryo selection in day 6 blastocyst transfer	23
Aspiration of excess follicles before intrauterine insemination in high response cycles	22
Reviewer Acknowledgment	21
TULP2 deletion mice exhibit abnormal outer dense fiber structure and male infertility	20
Comparative prospective study on the clinical utility of G‐banding and next‐generation sequencing for chromosomal analysis of products of conception under Advanced Medical Care A in Japan	19
Accumulation of fibrosis and altered perifollicular stromal differentiation in vitrified‐thawed human ovarian tissue xenografted to nude mice.	19
Prevalence, definition, and etiology of cesarean scar defect and treatment of cesarean scar disorder: A narrative review	18
Anthropometric measurements of term singletons at 6 years of age born from fresh and frozen embryo transfer: A multicenter prospective study in Japan	18
The novel oral gonadotropin‐releasing hormone receptor antagonist relugolix is a new option for controlled ovarian stimulation cycles	17
Cryptozoospermia: Should we use ejaculated sperm or surgically retrieved sperm for assisted reproductive technology?	17
Investigation of an efficient method of oocyte retrieval by dual stimulation for patients with cancer	17
	17
Current status of genome‐wide epigenetic profiling of mammalian preimplantation embryos	17
	16
Impact of abnormal karyotype on reproductive outcome in premature ovarian insufficiency	16

Homozygous FIGLA missense variant in two Japanese sisters with primary ovarian insufficiency: Case reports and literature review	16
Efficacy and safety of follitropin delta versus follitropin alpha/beta in infertility treatment: A systematic review and meta‐analysis	16
Time from trophectoderm biopsy to vitrification affects the developmental competence of biopsied blastocysts	15
The possible effects of the Japan Society of Clinical Oncology Clinical Practice Guidelines 2017 on the practice of fertility preservation in female cancer patients in Japan	15
Evaluation of the efficacy of creatine chemical exchange saturation transfer imaging in assessing testicular maturity	14
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Optimizing treatment efficacy and fertility preservation in patients undergoing hematopoietic stem cell transplantation: A narrative review of ovarian shielding with total‐body irradiation or treosulf	14
Distribution of the follicular and luteal phase lengths and their age‐dependent changes in Japanese women: A large population study	14
Issue Information	13
Molecular mechanism of autophagy and apoptosis in endometriosis: Current understanding and future research directions	13
Shallow artificial networks with morphokinetic time‐lapse parameters coupled to ART data allow to predict live birth	13
Impact of heparin‐aspirin therapy in patients with recurrent pregnancy loss characterized by thrombophilia resistant to low‐dose aspirin therapy: A retrospective study	12
Effect of aging on semen and embryonic developmental scores in assisted reproductive technology	12
Cumulative live birth rate according to the number of receiving governmental subsidies for assisted reproductive technology in Saitama Prefecture, Japan: A retrospective study using individual data fo	12
Sperm DNA fragmentation testing in clinical management of reproductive medicine	11
High incidence of decidualization failure in infertile women	11
IVM of human immature oocytes for infertility treatment and fertility preservation	11
Progesterone resistance in endometriosis: A pathophysiological perspective and potential treatment alternatives	10
Usefulness of expanding the indications of early rescue intracytoplasmic sperm injection	10
Therapeutic efficacy of the optimization of thyroid function, thrombophilia, immunity and uterine milieu (OPTIMUM) treatment strategy on pregnancy outcomes after single euploid blastocyst t	10
Effect of hypothyroidism and thyroid autoimmunity on the ovarian reserve: A systematic review and meta‐analysis	10
	10
A novel system based on artificial intelligence for predicting blastocyst viability and visualizing the explanation	10
The effectiveness of controlled ovarian stimulation with tamoxifen for patients with estrogen‐sensitive breast cancer: A systematic review and meta‐analysis	10
Therapeutic efficacy of gentle endometrial curettage on antibiotic‐resistant chronic endometritis in infertile women	10
Impact of current and previous sperm findings on outcomes of intrauterine insemination	9
Aneuploidy and sex concordance rate between cell‐free DNA analysis from spent culture media of preimplantation embryo and DNA from whole embryo with respect to different morpholo	9
Effect of post‐warming culture time on the live birth rate after frozen embryo transfer	9
Effects of paternal ionizing radiation exposure on fertility and offspring's health	8
The impact of oocyte death on mouse primordial follicle formation and ovarian reserve	8
Embryos, cancers, and parasites: Potential applications to the study of reproductive biology in view of their similarity as biological phenomena	8
Occurrence of chronic endometritis in different types of human adenomyosis	8
Age‐dependent phenotypes of ovarian endometriomas	8
Prevalence of functional hypothalamic amenorrhea in a cohort of women referred because of polycystic ovary syndrome	8
NR5A1 and cell population heterogeneity: Insights into developmental and functional disparities and regulatory mechanisms	8
Clinical relevance of a newly developed endometrial receptivity test for patients with recurrent implantation failure in Japan	8
Issue Information	8
Effects of Hochuekkito, a traditional Japanese medicine (Kampo), on reproduction of aging female mice	8
Roles of lipid mediators in early pregnancy events	8
Expression and co‐localization of RFRP‐3 and kisspeptin during breeding and non‐breeding season in the hypothalamus of male rhesus monkey (Macaca mulatta)	8
An assessment of the efficacy and safety of dydrogesterone in women with ovarian endometrioma: An open‐label multicenter clinical study	7
Assisted reproductive technology in Japan: A summary report for 2020 by the ethics Committee of the Japan Society of obstetrics and gynecology	7
Compound heterozygous KCTD19 variants in a man with isolated nonobstructive azoospermia	7
microRNAs associated with the quality of follicular fluids affect oocyte and early embryonic development	7
A gene network of uterine luminal epithelium organizes mouse blastocyst implantation	7
Chromosome segregation errors during early embryonic development	7
Sirolimus‐ and cyclosporine‐loaded nanostructured lipid carriers: Development, characterization, and in vitro evaluation in T‐cell profiles of patients with a history of recurrent pregnancy loss	7
The Asian Society of Endometriosis and Adenomyosis guidelines for managing adenomyosis	7
Gamma‐aminobutyric acid (GABA) can affect physiological processes in preimplantation embryos via GABA_A and GABA_B receptors	7
Assisted reproductive technology in Japan: A summary report for 2021 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology	7

Assisted reproductive technology in Japan: A summary report for 2019 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology	7
The physiological role of macrophages in reproductive organs	7
Expression of RSPH6A in the first wave of rat spermatogenesis and oxidative stress conditions: Attenuation by melatonin	7