OOIR: Observatory of International Research

Papers

(The H4-Index of Human Reproduction Update is 38. 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 2020-10-01 to 2024-10-01.)

Article	Citations
Temporal trends in sperm count: a systematic review and meta-regression analysis of samples collected globally in the 20th and 21st centuries	229
Endometrial function in women with polycystic ovary syndrome: a comprehensive review	182
Metabolic co-dependence of the oocyte and cumulus cells: essential role in determining oocyte developmental competence	167
Molecular genetics of infertility: loss-of-function mutations in humans and corresponding knockout/mutated mice	155
A systematic review of the validated monogenic causes of human male infertility: 2020 update and a discussion of emerging gene–disease relationships	151
Endometriosis and cancer: a systematic review and meta-analysis	140
The role of gut and genital microbiota and the estrobolome in endometriosis, infertility and chronic pelvic pain	110
Endometriosis recurrence following post-operative hormonal suppression: a systematic review and meta-analysis	92
Adenomyosis pathogenesis: insights from next-generation sequencing	84
Mitochondria: their role in spermatozoa and in male infertility	80
The role of cellular senescence in female reproductive aging and the potential for senotherapeutic interventions	76
Plants as source of new therapies for endometriosis: a review of preclinical and clinical studies	75
Immunological changes associated with adenomyosis: a systematic review	75
Plasticity of the human preimplantation embryo: developmental dogmas, variations on themes and self-correction	74
Number and function of uterine natural killer cells in recurrent miscarriage and implantation failure: a systematic review and meta-analysis	71
Adaptations of the human placenta to hypoxia: opportunities for interventions in fetal growth restriction	70
Confined placental mosaicism and the association with pregnancy outcome and fetal growth: a review of the literature	69
IVF and other ART in low- and middle-income countries: a systematic landscape analysis	67
Uterine natural killer cells: from foe to friend in reproduction	64
Fresh and cryopreserved ovarian tissue transplantation for preserving reproductive and endocrine function: a systematic review and individual patient data meta-analysis	59
All you need to know about sperm RNAs	56
Adipocyte and steroidogenic cell cross-talk in polycystic ovary syndrome	54
Autophagy: a multifaceted player in the fate of sperm	53
Mild versus conventional ovarian stimulation for IVF in poor, normal and hyper-responders: a systematic review and meta-analysis	52
SARS-CoV-2, fertility and assisted reproduction	51

Secretory products of the corpus luteum and preeclampsia	49
Anti-Müllerian hormone as a marker of ovarian reserve and premature ovarian insufficiency in children and women with cancer: a systematic review	49
Nanoparticles in pregnancy: the next frontier in reproductive therapeutics	49
Embryo implantation in the laboratory: an update on current techniques	48
Preconception genome medicine: current state and future perspectives to improve infertility diagnosis and reproductive and health outcomes based on individual genomic data	46
Age-associated epigenetic changes in mammalian sperm: implications for offspring health and development	45
Morphological and morphokinetic associations with aneuploidy: a systematic review and meta-analysis	45
Over-the-counter analgesics during pregnancy: a comprehensive review of global prevalence and offspring safety	43
Fertility preservation for prepubertal boys: lessons learned from the past and update on remaining challenges towards clinical translation	43
Current approaches and developments in transcript profiling of the human placenta	42
Clinical application of aromatase inhibitors to treat male infertility	39
Bioengineering trends in female reproduction: a systematic review	39
Lipid metabolism and endometrial receptivity	38
Cell dynamics in human villous trophoblast	38