OOIR: Observatory of International Research

Papers

(The H4-Index of Fertility and Sterility is 46. 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 2021-05-01 to 2025-05-01.)

Article	Citations
TEAM(ing): together each achiev(ing) more!	221
What are my options? Fertility preservation methods for young girls and women	220
Impaired fertility after unilateral oophorectomy: What’s the cause and what can be done?	145
Kisspeptin, a promising biomarker for miscarriage in early pregnancy	140
The great debate: fresh vs frozen, epididymal vs testicular—Does it matter?	138
Making an African American REI physician: a story of mentorship	116
In grateful recognition of departing Editors-in-Chief Craig Niederberger and Antonio Pellicer	112
Smoking, alcohol, and coffee consumption and pregnancy loss: a Mendelian randomization investigation	101
FIRST LIVE BIRTHS AFTER APPLICATION OF A READY-TO-USE IONOMYCIN IN CASES OF FAILED ARTIFICIAL OOCYTE ACTIVATION (AOA) USING CALCIMYCIN	96
THE PIVOTAL ROLE OF PM20D1 IN POLYCYSTIC OVARY SYNDROME-INSULIN RESISTANCE-LIPID METABOLISM DISORDER AND THE POSITIVE EFFECT OF QUERCITRIN	93
A DECISION MODEL PREDICTING THE SUCCESS AND COST OF IVF USING FROZEN BANKED VERSUS FRESH DIRECTED DONOR OOCYTES	93
DO EMBRYO MORPHOLOGY OR THE DAY OF CRYOPRESERVATION MATTER WHEN TRANSFERRING A SINGLE EUPLOID EMBRYO? A NATIONAL STUDY.	93
Identifying a panel of nine genes as novel specific model in endometriosis noninvasive diagnosis	89
HYPOTHALAMIC AMENORRHEA: RETHINKING THE CLINICAL PRESENTATION IN THE MODERN ERA AND NOVEL SCREENING TOOL “STAFF”	79
AGE-SPECIFIC BLASTULATION RATES IN EMBRYO CRYOPRESERVATION CYCLES YIELDING A CRYOPRESERVED BLASTOCYST	79
IRRITABLE BOWEL SYNDROME HAS AN ADVERSE EFFECT ON PREGNANCY OUTCOMES IN PATIENTS UNDERGOING EUPLOID EMBRYO TRANSFER	78
PROGESTIN OVULATION SUPPRESSION IN OOCYTE CRYOPRESERVATION CYCLES REDUCES FINANCIAL AND LOGISTICAL BURDEN WITHOUT COMPROMISING YIELD	75
EFFICIENCY IN INTRACYTOPLASMIC SPERM INJECTION METHOD IMPROVES FERTILIZATION AND BLASTOCYST FORMATION RATES	74
Fresh embryo transfer after in vitro insemination of fresh vs. cryopreserved anonymous donor oocytes: which has a better live birth rate? A Society for Assisted Reproductive Technology Clinic Outcome	72
Sperm retrieval outcomes of contralateral testis in men with nonobstructive azoospermia and unsuccessful unilateral microdissection testicular sperm extraction	71
Epigenetic variation in neonatal tissues in infants conceived using capacitation-in vitro maturation vs. in vitro fertilization	70
Trustworthiness criteria for meta-analyses of randomized controlled studies: OBGYN journal guidelines	65
MicroRNA expression profiles in the seminal plasma of nonobstructive azoospermia patients with different histopathologic patterns	65
Amin AF, Abd el-Aal DE, Darwish AM, Meki AR. Evaluation of the impact of laparoscopic ovarian drilling on Doppler indices of ovarian stromal blood flow, serum vascular endothelial growth factor, and i	64
VITRIFICATION OF HUMAN TESTICULAR AND EPIDIDYMAL SPERMATOZOA WITHOUT PERMEABLE CRYOPROTECTANTS: CLINICAL OUTCOMES	62

THE RISK OF BIRTH DEFECTS IDENTIFIED DURING THE FIRST YEAR OF LIFE IS NOT ASSOCIATED WITH GRADE OF BLASTOCYST MORPHOLOGY AMONG CHILDREN CONCEIVED WITH IN VITRO FERTILIZATION (IVF)	61
RELATING TO THE PREVALENCE OF DEPRESSION SYMPTOMS IN INFERTILE WOMEN AND SOCIAL, PSYCHOLOGICAL CHARACTERISTICS	60
MULTIPLE GESTATION PREGNANCY RATES AFTER ULTRASOUND MONITORED VS OVULATION PREDICTOR KIT MONITORED OVULATION STIMULATION-INTRAUTERINE INSEMINATION CYCLES	59
Assessment of obstetric characteristics and outcomes associated with pregnancy with Turner syndrome	58
HIGHER DOSE GONADOTROPINS DO NOT IMPROVE CLINICAL OUTCOMES IN POOR PROGNOSIS PATIENTS: RESULTS OF A MULTI-CENTER RANDOMIZED CONTROLLED TRIAL (RCT)	57
THE IMPACT OF NON-MALE FACTOR INTRACYTOPLASMIC SPERM INJECTION (ICSI) ON FERTILITY OUTCOMES IN OVERWEIGHT AND OBESE WOMEN	57
ACCESS TO, AND USE OF, FERTILITY PRESERVATION SERVICES AMONG TRANSGENDER INDIVIDUALS	56
CONSUMPTION OF ULTRA-PROCESSED FOODS IS NOT ASSOCIATED WITH FEMALE INFERTILITY: A CROSS-SECTIONAL STUDY OF THE NATIONAL HEALTH AND NUTRITION EXAMINATION SURVEY (NHANES), 2013-2018	56
AMBIENT AIR POLLUTION AND FECUNDABILITY IN A PRECONCEPTION TIME-TO-PREGNANCY COHORT	54
USING THE BINOMIAL THEOREM TO PREDICT THE DISTRIBUTION OF NORMAL EUPLOID BLASTOCYSTS WITHIN A COHORT SIMPLY BASEDUPON THE COHORT’S DISCRETE SIZE	54
PREDICTING IVF LIVE BIRTH PROBABILITIES USING MACHINE LEARNING, CENTER-SPECIFIC AND NATIONAL REGISTRY-BASED MODELS	53
DELAY OF CARE NEGATIVELY IMPACTS FEMALE PARTNERS OF PATIENTS WITH MALE FACTOR INFERTILITY	52
GONADOTROPIN USAGE AMONG OOCYTE CRYOPRESERVATION CYCLES: DOES THE LIMIT EXIST?	52
RECURRENT EUPLOID IMPLANTATION FAILURE PREVALENCE AND CLINICAL RISK FACTORS: A SART CORS ANALYSIS	52
“EVERYBODY WOULD LISTEN– THEY’D HAVE SUPER BIONIC EARS”: BLACK WOMEN’S PERSPECTIVES ON UTOPIC ART CARE	51
SURROGACY: PRACTICES, CHALLENGES, GLOBAL STANDARDS-INSIGHT FROM NURSING PROFESSIONALS	50
THE IMPACT OF VITAMIN D DEFICIENCY ON RESPONSE TO LETROZOLE OVULATION INDUCTION IN PATIENTS WITH PCOS	49
THE ASSOCIATION OF MITOCHONDRIAL DNA (mtDNA) PROPORTION IN TROPHOBLAST CELLS WITH THE IMPLANTATION OUTCOME OF EMBRYO TRANSFER	49
ENGLISH AS A SECOND LANGUAGE WITHIN ASSISTED REPRODUCTIVE TECHNOLOGY (ART) TREATMENT	48
ANALYSIS OF MULTI-OMICS BIOMARKERS IN EJACULATES OF YOUNG ADULTS	47
OOCYTE ASSESSMENT BASED ON ARTIFICIAL INTELLIGENCE (AI) FOR THE PREDICTION OF BLASTOCYST DEVELOPMENT: A COMPARATIVE ANALYSIS OF FRESH AND VITRIFIED DONOR OOCYTES	47