OOIR: Observatory of International Research

Papers

(The median citation count of Human Fertility is 2. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Early or late response in poor responders: does it make a difference in cycle outcome?	26
Weekday vs. weekend oocyte retrievals: is there a difference?	22
DNA damage in prepared semen is negatively associated with semen quality and fertilisation rate in assisted reproduction technology (ART) treatment	22
Identification of potential key genes related to idiopathic male infertility using RNA-sequencing data: an in-silico approach	20
Obstetric and perinatal outcomes of singleton pregnancy from donated frozen versus fresh oocytes	19
Is intrauterine hematoma associated with adverse pregnancy and obstetric outcomes of ART singletons? A systematic review and meta-analysis	18
In vitro gametogenesis, ‘social infertility’, and the legacy of the Warnock report	17
Contact experiences among donor conception parties: donor conceived persons, donors, parents and same-donor siblings – a mixed methods systematic review	16
Donor conception and family connection: beyond genetic reductionism in the postgenomic era	15
The knowledge and attitudes of a UK based population towards ovarian reserve testing and social egg freezing	14
Reproductive rights where conditions apply: an analysis of discriminatory practice in funding criteria against would-be parents seeking funded fertility treatment in England	14
Investigation of motivations for depositing sperm during the COVID-19 pandemic	14
Young adult’s views on using a poster to learn about fertility: redesigning the fertility education poster	14
Going going gone! has Covid really gone?	13
Comparing infertility-related stress, coping, and quality of life among assisted reproductive technology and non-assisted reproductive technology treatments	12
Atypical presentation of severe ovarian hyperstimulation syndrome complicated by isolated pleural effusions: a case series and literature review	12
Celebrating the peer reviewers of Human Fertility (2005–2022)	11
List of Human Fertility reviewers (1st June 2021–31st May 2022)	11
Does non-cavity distorting intramural fibroid affect endometrium around the time of embryo implantation?	11
Should women with high body mass index be denied fertility treatments?	10
Prediction of clinical pregnancy outcome after single fresh blastocyst transfer during in vitro fertilization: an ensemble learning perspective	10
How low is too low? Postwash total motile sperm count effect on pregnancy outcomes in intrauterine insemination	10
The microbiome and male infertility: looking into the past to move forward	9
Using online platforms to offer or seek sperm donation: A systematised narrative review of donor and recipient experiences	9
Association of lifetime psychiatric history with psychological distress in women undergoing intrauterine insemination	9

Nuclear sperm integrity and ICSI prognosis in Tunisian patients with MMAF syndrome (multiple morphological abnormalities of the sperm flagella)	9
The case for reframing known donation	8
Does reciprocal translocation affect the meiotic segregation products of non-translocation chromosomes?	8
Venous thromboembolism associated with medically assisted reproduction (MAR): British fertility society policy and practice guidance for assessment and prevention	8
How do coping strategies influence fertility-related information seeking/avoidance?	7
The effect of embryo migration after embryo transfer with fresh oocyte donation cycles on pregnancy outcomes	7
Poor air quality index on the day of embryo transfer may decrease the rate of embryo transfer success	7
Outcome of uterine functional structures protection by fertility preservative PUSH surgery in diffuse adenomyosis	7
The effect of COVID-19 vaccinations on menstrual cycle and serum anti-Mullerian hormone levels in reproductive age women	7
Response to Hasdemir et al. (2023) COVID-19 vaccinations on menstrual cycle and serum anti-Mullerian hormone levels	6
Endometriosis affects the number of retrieved oocytes but not early embryonic development and live birth: a retrospective analysis of 716 IVF cycles	6
DuoStim protocol- a novel fertility preservation strategy for female oncology patients	6
Human Fertility is moving to open access	6
Quality of information for oocyte donors on South African donor agency websites: a content analysis	6
Comparative analysis of pregnancy outcomes in different time intervals following GnRH antagonist stimulation and modified natural frozen-thawed embryo transfers	6
Three-Dimensional ultrasound parameters in assessing endometrial receptivity: a prospective study of novel scoring systems in frozen embryo transfer cycles	6
15 and 30 min of immobilization after IUI: a randomized control trial	6
Is the use of IVF add-on treatments driven by patients or clinics? Findings from a UK patient survey	5
Fertility awareness education improves fertility cycle knowledge and may reduce time-to-pregnancy in subfertile women	5
Donor-conceived adolescents accessing donor information in The Netherlands: their needs, motivations, experiences and available support	5
Elevated luteinizing hormone levels during the artificial endometrial preparation cycle do not impact pregnancy outcomes in patients undergoing single vitrified-warmed blastocyst transfer	5
Fertility 2025 Reproduction – Facts, Myths and Evidence 8–11th January 2025 ACC Liverpool The joint conference of the Association of Reproductive & Clinical Scientists, British Fertility Society,	5
Gene pathway analysis of the endometrium at the start of the window of implantation in women with unexplained infertility and unexplained recurrent pregnancy loss: is unexplained recurrent pregnancy l	5
Simultaneous transfer of one good-quality and one poor-quality cleavage stage embryo does not improve pregnancy outcomes	5
Thank you and goodbye!	5
Advancing embryo transfer precision: narrative synthesis of four-dimensional versus two-dimensional ultrasound guidance in IVF	5
Secretory-phase endometrial Ki67 predicts benefit of GnRHa pretreatment in unexplained recurrent implantation failure	5
Life satisfaction in parents after successful in vitro fertilization and natural pregnancy: a prospective longitudinal study from before pregnancy to 24 months after chi	4
Effect of vitamin D supplementation on frozen embryo transfer cycle outcomes	4
Higher chromosomal abnormality rate in blastocysts from a subset of patients with pericentric inversion (Inv) 1 variant	4
From clicks to creating kin: how Australian online egg donors craft relationships with recipients and donor-conceived children	4
The importance of education, training and continuous performance monitoring to ART professionals, particularly embryologists	4
Risk of adverse pregnancy outcomes after abnormal hysterosalpingography	4
Donor-linking provisions in New Zealand: counselling roles, concerns and needs	4
Non-identified and directed embryo donation: a questionnaire study on donor and recipient perspectives	4
Endometrial receptivity evaluation using hysteroscopic endometrial gland image recognition	4
Psychological well-being and family functioning following identity-release gamete donation or standard IVF: follow-up of parents with adolescent children	4
Peer reviewers for Human Fertility in 2024	4
Predictors and differences in fertility level among Nigerian women of reproductive age: a function of subgroup social norms fertility behaviour	4
Statement of Retraction: Probiotic supplementation and the effects on weight loss, glycaemia and lipid profiles in women with polycystic ovary syndrome: a randomised, double-blind, placebo-controlled	4
Extended families? Contact expectations and experiences of egg donors donating to previously unknown recipients	3
The role of CFTR channel in female infertility	3
Impact of insulin resistance on in vitro fertilization outcomes in overweight and obese women: a retrospective cohort study	3
Enable families with donor-conceived children to tailor their family story. Recommendations for policy and practice regarding legal age limits for accessing donor information in The Netherlands	3
Association between dietary quality indices and female infertility: a population-based study using NHANES 2013–2020	3
Heterosexual parents’ experiences of their donor-conceived children’s search for and/or contact with their donors in New Zealand prior to identity-release provisions	3
Chinese herbal medicines as complementary therapy to in vitro fertilization-embryo transfer in women with infertility: protocols and applications	3
Does ICSI timing impact cumulative live birth and perinatal outcomes - a cohort study	3
We want to feel valued: eggs donors’ experiences of donation	3
Adjuvants to prevent reformation of adhesions following adhesiolysis for Asherman syndrome: a systematic review and meta-analysis	3

The use of ICSI in ART: evidence for practice	3
Enablers and barriers to assisted reproduction and fertility services for Pacific peoples in Aotearoa New Zealand: a qualitative study	3
The Fertility Education Initiative: responding to the need for enhanced fertility and reproductive health awareness amongst young people in the United Kingdom	3
The creation of a solo-mother family – a qualitative study	3
The associations of cola intake with adverse birth outcomes among pregnant women after assisted reproductive technology treatment and women naturally conceived: a birth cohort study	3
The impact of endometrial scratch performed in mid-luteal phase on the endometrium whole genome transcriptomic profiles in following menstrual cycle	3
Human Fertility publishes China issue	3
Value of sperm DNA fragmentation (SDF) in predicting reproductive outcomes – a systematic review and meta-analysis	3
Impact of body mass index on peripheral and uterine immune status in the window of implantation in patients with recurrent reproductive failure	3
Longitudinal trends in fertility in women of advanced maternal age in the United States and Sweden from 1935–2018 and comparison to maternal mortality ratios	3
How do IVF patients interpret claims about fertility treatments? A randomised survey experiment	3
Do sperm and lubricants gel well with each other? A systematic review	3
Mitochondria aggregation patterns during human oocyte maturation	3
Management of endometrial polyps in fertility: British fertility Society policy and practice guideline	3
Is there a relationship between morphokinetic parameters and neonatal sex in fresh embryo transfers?	3
Early contact experiences between embryo donors and recipients (parents) in Aotearoa New Zealand	3
Diminished ovarian reserve associates with pregnancy and birth outcomes after IVF: a retrospective cohort study	3
The use of intrauterine balloon therapy in reproductive medicine and surgery: a guidance for practice	3
Fertility preservation and realignment in transgender women	3
What do families affected by Turner Syndrome think of ovarian tissue freezing in childhood?	3
Evaluation of PGK2 and ACR proteins in seminal plasma: suggestion of potential new biomarkers for prediction of sperm retrieval in non-obstructive azoospermia patients	3
Effect of female body mass index on intrauterine insemination outcomes: a systematic review and meta-analysis	3
A qualitative study of Australian adolescent perceptions of fertility and infertility	3
Innovating reproductive health education: testing the concept of reproductive identity	3
Do they work, and are they worth it? Proposing a framework of evidence synthesis for guiding the evidence-based use of add-ons in in vitro fertilisation	3
Ovarian sensitivity index can be used as a more sensitive indicator than follicular output rate to predict IVF/ICSI outcomes in patients of normal expected ovarian response stimulated with GnRH antago	2
The effectiveness of combined oral contraceptive pills (COCs) in preventing persistent corpus luteal cysts following oocyte retrieval: a randomized controlled trial	2
The Effect of CoQ10 supplementation on ART treatment and oocyte quality in older women	2
UK guidelines for the medical and laboratory procurement and use of sperm, egg and embryo donors (2025),*	2
Systematic protocol and methodology needed for pre-procedure counselling of elective egg freezing patients in Singapore	2
The global evaluation of the effects of antioxidants on seminal outcomes in infertile men: a systematic review and meta-analysis	2
Allan Pacey: Thank you from Human Fertility and the BFS	2
Cumulative live birth rate of in vitro fertilization cycle via progestin-primed ovarian stimulation versus gonadotropin-releasing hormone antagonist protocol in infertile women with normal ovarian res	2
Best practice for embryology staffing in HFEA licensed assisted conception centres-guidance from Association of Reproductive & Clinical Scientists	2
Mpox in assisted conception: should we be worried about this monkey wrench?	2
Peer reviewers for Human Fertility in 2025	2
Reproductive outcomes in patients with high levels of sperm DNA fragmentation using testicular sperm for intracytoplasmic injection: a retrospective analysis	2
Make our wellbeing a priority: donor-conceived adults call for ongoing support and conversation about their donor conception	2
Can a lack of knowledge of the ovulatory cycle result in primary infertility? Evidence from selected South Asian countries	2
Lessons from 10 years’ experience running the Fiom KID-DNA database, a voluntary DNA-linking register for donor-conceived people and donors in The Netherlands	2
Association of menstrual blood volume and reproductive outcomes in patients with caesarean scar pregnancy managed using uterine artery embolization and curettage	2
Finance and fertility forty years after Warnock	2
Obstetric and perinatal outcomes in singleton pregnancies following medicated, stimulated and natural, frozen embryo transfer cycles: an updated systematic review and meta-analysis	2
FSH administration at 12-hour intervals for the first 2 days, combined with mandatory GnRH-agonist trigger and blastocyst vitrification in women (<80Kg) with high AMH levels, results in higher cumu	2
The infected blood inquiry report—lessons for gamete donation	2
Clomiphene citrate priming increases sensitivity during ovarian stimulation in poor ovarian responders undergoing in vitro fertilization treatment: a ret	2
Switching to intracytoplasmic sperm injection provides no benefit in couples of poor embryonic development in the previous in vitro fertilization cycle	2
Providers’ attitudes towards payment to egg donors: an international survey	2