OOIR: Observatory of International Research

Papers

(The TQCC of Reproductive Medicine and Biology is 5. 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 2021-03-01 to 2025-03-01.)

Article	Citations
Clinicopathological characteristics and imaging findings to identify adenomyosis‐related symptoms	36
Improvement of oocyte quality through the SIRT signaling pathway	28
Molecular and cellular regulators of embryo implantation and their application in improving the implantation potential of IVF‐derived blastocysts	24
Sod1 deficiency in mouse oocytes during in vitro maturation increases chromosome segregation errors with a reduced BUBR1 at kinetochore	22
Risk factors for empty follicle syndrome in assisted reproductive technology with gonadotropin‐releasing hormone agonist trigger	20
Therapeutic effects of an oral gonadotropin‐releasing hormone receptor antagonist, relugolix, on preventing premature ovulation in mild ovarian stimulation for IVF	20
Isolation and characterization of fetal nucleated red blood cells from maternal blood as a target for single cell sequencing‐based non‐invasive genetic testing	20
Upregulated serum granulysin levels in women with antiphospholipid antibody‐associated recurrent miscarriage are downregulated by heparin treatment	19
DNA damage in human sperm: The sperm chromosome assay	18
Usefulness of expanding the indications of early rescue intracytoplasmic sperm injection	16
Mechanobiology of the female reproductive system	16
Decrease in serum anti‐Müllerian hormone level per puncture with laparoscopic ovarian drilling using ultrasonically activated device	16
Genomic imprinting in human placentation	16
CDX2 downregulation in mouse mural trophectoderm during peri‐implantation is heteronomous, dependent on the YAP‐TEAD pathway and controlled by estrogen‐induced factors	16
A novel trophectoderm biopsy technique for all blastocyst stages	15
Sphingosine kinases negatively regulate the expression of matrix metalloproteases (MMP1 and MMP3) and their inhibitor TIMP3 genes via sphingosine 1‐phosphate in extravillous troph	14
Serum leucine‐rich α2‐glycoprotein as a possible marker for inflammatory status in endometriosis	14
Differential expression of estrogen receptor subtypes in ovarian high‐grade serous carcinoma and clear cell carcinoma	14
TSNAXIP1 is required for sperm head formation and male fertility	14
Uterus transplantation: A clinical breakthrough after systematic preclinical research	13
Effect of early rescue ICSI and split IVF‐ICSI in preventing low fertilization rate during the first ART cycle: A real‐world retrospective cohort study	13
Assisted reproductive technique outcomes in patients with endometrioma undergoing sclerotherapy vs laparoscopic cystectomy: Prospective cross‐sectional study	12
How to improve the clinical outcome of round spermatid injection (ROSI) into the oocyte: Correction of epigenetic abnormalities	11
Therapeutic efficacy of gentle endometrial curettage on antibiotic‐resistant chronic endometritis in infertile women	11
Genetic variants of G‐protein coupled receptors associated with pubertal disorders	11

Saturated fatty acids accelerate linear motility through mitochondrial ATP production in bull sperm	11
Establishment of mouse line showing inducible priapism‐like phenotypes	11
The prevalence of celiac disease in women with infertility—A systematic review with meta‐analysis	10
Role of varicocele repair in the era of assisted reproductive technologies: Lessons from 2000 cases of microsurgical varicocele repair	10
Pathophysiology of polycystic ovary syndrome revisited: Current understanding and perspectives regarding future research	10
Effect of hypothyroidism and thyroid autoimmunity on the ovarian reserve: A systematic review and meta‐analysis	10
How does the extent of fibrosis in adenomyosis lesions contribute to heavy menstrual bleeding?	10
Effect of single versus grouped culture of human cumulus–oocyte complexes in PCOS women treated with biphasic in vitro maturation: A sibling oocyte pilot study	10
Tacrolimus treatment in women with repeated implantation failures	9
Swim‐up method is superior to density gradient centrifugation for preserving sperm DNA integrity during sperm processing	9
Correction to “A new clustering model based on the seminal plasma/serum ratios of multiple trace element concentrations in male patients with subfertility”	9
Developmental and functional roles of androgen and interactive signals for external genitalia and erectile tissues	9
The impact of dietary interventions on polycystic ovary syndrome patients with a BMI ≥25 kg/m²: A systematic review and meta‐analysis of randomized controlled trials	9
Very severe oligozoospermia with AZFc microdeletion patients may affect intracytoplasmic sperm injection clinical outcomes: A propensity score matching analysis	9
Exploring edible bird nest's potential in mitigating Wi‐Fi's impact on male reproductive health	9
Developmental perturbation in human embryos: Clinical and biological significance learned from time‐lapse images	9
Reinfusion of peritoneal fluid elevates the level of plasma D‐dimer in patients with early‐onset ovarian hyperstimulation syndrome	8
Guidelines for Reproductive Medicine in Japan	8
Similarities and differences in placental development between humans and cynomolgus monkeys	8
A controlled clinical trial comparing potent progestins, LNG‐IUS and dienogest, for the treatment of women with adenomyosis	8
Reorganization, specialization, and degradation of oocyte maternal components for early development	8
Ectopic expression of the mitochondrial protein COXFA4L3 in human sperm acrosome and its potential application in the selection of male infertility treatments	8
Aspiration of excess follicles before intrauterine insemination in high response cycles	8
Reproductive medical providers’ behaviors, considerations, and plans for fertility treatments during the COVID‐19 pandemic in Japan: A nationwide web‐based survey	7
Prevalence, definition, and etiology of cesarean scar defect and treatment of cesarean scar disorder: A narrative review	7
Aberrant expression of histone deacetylase 8 in endometriosis and its potential as a therapeutic target	7
Preimplantation genetic testing for aneuploidy and chromosomal structural rearrangement: A summary of a nationwide study by the Japan Society of Obstetrics and Gynecology	7
Issue Information	7
Shapes of the uterine cavity are different in women with polycystic ovary syndrome	7
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	7
The ratio of 2nd to 4th digit length and reproductive function of infertile male patients	7
	6
Issue Information	6
Chlormadinone acetate in progestin‐primed ovarian stimulation does not negatively affect clinical results	6
Donor insemination for heterosexual couples: A practice in transition	6
Small GTP‐binding protein Rap1 mediates EGF and HB‐EGF signaling and modulates EGF receptor expression in HTR‐8/SVneo extravillous trophoblast cells	5
Prominin‐1 expression in the testis/epididymis and fertility	5
Therapeutic efficacy and safety of a free‐standing motorized ejaculation aid for patients with intravaginal ejaculatory dysfunction	5
Age‐ and endometrial microbiota‐related delay in development of endometrial receptivity	5
Effect of post‐warming culture time on the live birth rate after frozen embryo transfer	5
Adverse effect of lactobacilli‐depauperate cervicovaginal microbiota on pregnancy outcomes in women undergoing frozen–thawed embryo transfer	5
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	5
Accumulation of fibrosis and altered perifollicular stromal differentiation in vitrified‐thawed human ovarian tissue xenografted to nude mice.	5
Relation between semen oxidative reduction potential in initial semen examination and IVF outcomes	5
Effects of aging and oviductal hormones on testes, epididymides, and sperm of hamster	5
Consistency between chromosomal status analysis of biopsied human blastocyst trophectoderm cells and whole blastocyst cells	5