OOIR: Observatory of International Research

Papers

(The H4-Index of Reproductive Biomedicine Online is 28. 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
Contents	97
Comparison of Pregnancy Outcomes in Intrauterine Insemination Cycles: Letrozole Pretreatment with Gonadotropin vs. Gonadotropin Alone, A Prospective Randomized Controlled Study	89
Is there any difference on fertilization and blastulation rates of sibling oocyte activated by piezo-electric or ca ionophore application?	65
Impact of metabolic syndrome on female fertility and in vitro fertilization outcomes in PCOS women	57
Individual or group embryo culture? A pilot study and subsequent prospective randomized trial to evaluate blastocyst formation rate, quality and reproductive outcomes	49
Transfer mosaic embryos has similar outcomes in pregnancy rates in IVF cycles compared euploid embryos	45
Comparison of microRNA Levels between the follicular fluids of women with diminished ovarian reserve and normoresponder women	45
Editorial Board	44
Pre-Clinic to Clinics: Genetics of Infertility and ART	43
Single vitrified blastocyst transfers using an aseptic microdroplet vitrification-warming system: live birth rate is determined by expansion rate on day 5 and influenced by morphological quality	43
Embryo Ultrastructure Under Scope – Could It Reveal Smart Self-repairing System?	40
Comparison of the Development of Human Embryos Cultured in Time-Lapse Incubator Versus Standard Benchtop Incubator	40
Editorial Board	38
What 18028 biopsied blastocyst show us: biopsy technique, day of embryo biopsy and blastocyst stage are related to the risk of obtaining an inconclusive chromosomal assessment after trophectoderm biop	38
Value of 2D ultrasonography in the diagnosis and evaluation of intrauterine adhesions – a prospective study	37
Women's emancipation, but what about men?	36
Association between endometrial thickness and birthweight of singletons from vitrified-warmed cycles: a retrospective cohort study	36
INVESTIGATION OF THE EFFECT OF BORON IN A CYCLOPHOSPHAMIDE-INDUCED OVARIAN INSUFFICIENCY MODEL IN RATS	34
Metformin, clomiphene citrate and flutamide effects on oocyte ultrastructure status and quality in PCOS mouse model	34
Effects of age and oligoasthenozoospermia on telomeres of sperm and blood cells	34
THE ADDITION OF ANTIOXIDANTS TO CULTURE MEDIA INFLUENCES THE LEVELS OF REACTIVE OXYGEN SPECIES IN DEVELOPING MOUSE OOCYTES BY CONTROLLING THE ACTIVITY OF MITOCHONDRIAL COMPLEX I.	33
COMPARISON OF ONGOING PREGNANCY RATES BETWEEN NATURAL PROLIFERATIVE PHASE AND MODIFIED NATURAL CYCLE PROTOCOLS IN FROZEN BLASTOCYST TRANSFERS	32
2024 TSRM Author Index	32
Corticosteroids, androgens, progestogens and oestrogens in the endometrial microenvironment, and their association with endometrial progression and function	32
Oral dydrogesterone versus oral dydrogesterone + micronized vaginal progesterone for luteal phase support in ovulatory frozen-thawed embryo transfer cycles	31

Do directed and non-directed oocyte donors differ regarding their motives, ambivalence, satisfaction and openness about donating?	30
Identification of small extracellular vesicle-linked miRNA specifically derived from intrafollicular cells in women with polycystic ovary syndrome	30
Novel homozygous variants in piRNA pathway factors lead to male infertility in humans	29
Serum fructose concentrations are positively correlated with dyslipidaemia in women with polycystic ovary syndrome	28
Associations of reproductive and breastfeeding history with anti-Müllerian hormone concentration among African-American women of reproductive age	28
Blastocyst development rate influences singleton gestational age of similarly graded blastocysts after vitrified–warmed single embryo transfer cycles	28
Clinical validation and experiences of the microfluidics sperm preparation device ZyMot™	28
Cutting-edge techniques provide insights regarding repeated implantation failure patients	28