European Journal of Obstetrics & Gynecology and Reproductive Biology

Papers
(The TQCC of European Journal of Obstetrics & Gynecology and Reproductive Biology 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 2021-11-01 to 2025-11-01.)
ArticleCitations
Fetal cardiac rhabdomyoma incidentally associated with Prader-Willi syndrome: A case report98
Mode of delivery predicts postpartum maternal leukocyte telomere length68
Could blastocysts derived from abnormal fertilized zygotes be used? A systematic review and meta-analysis49
Understanding care-seeking and subsequent pregnancy loss in the second trimester of pregnancy − A multicentre audit48
Congenital cytomegalovirus infection despite valaciclovir secondary prevention: should we fear antiviral resistance?46
“It’s a breech, and what now?”: A decision-aid tool to help clinicians counsel women with breech presentation near term46
Efficacy and safety of elinzanetant in vasomotor symptoms associated with menopause: A meta-analysis of randomized controlled trials44
N-terminal prohormone of brain natriuretic peptide in gestational hypertension and preeclampsia – State of the art41
Comparison of complications in very obese women undergoing hysterectomy – Abdominal vs laparoscopic approach with short- and long-term follow-up39
Vocalization during the second stage of labor to prevent perineal trauma: A randomized controlled trial38
The influence of serum luteinising hormone concentrations post GnRH agonist trigger on metaphase II oocytes in IVF/ICSI cycles38
Trimester-specific gestational weight gain in women with and without previous bariatric surgeries35
Patient-initiated follow-up in gynaecology: Patient and clinician views34
Impact of vaginism on mode of delivery and obstetrical outcomes33
Response to the Letter by Yong-Shan Chen and Dong-Zhi Li Regarding Our Publication: “Gestational Diabetes Mellitus and Group B Streptococcus Maternal Colonization”33
Perineal body and anal sphincter biometrics and stiffness using elastography during labor: a feasibility study30
Prediction of fetal growth restriction and small for gestational age by ultrasound cardiac parameters30
Smooth muscle tumors of uncertain malignant potential or atypical leiomyomas: A long-term evaluation of surgical outcomes and clinicopathological features29
61 Arabin pessary: 5 Years experience of a terciary hospital29
Hormonal IUD is the major hormonal contraceptive method used among women aged 40–49 years: Data from the 2015–16 Tromsø Study, Norway28
357 Treatment of breast cancer in elderly patients: A tailored approach28
223 Prenatal diagnosis of trisomy 21-the role of aberrant right subclavian artery (ARSA) As an ultrasound marker28
415 Antenatal diagnosis and management of the abdominal wall defects related to the umbilical ring. Case series and review of the literature27
The effect of preemptive local anesthesia on postoperative pain following vaginal hysterectomy: A randomized controlled trial – Letter to the editor27
Risks and benefits of hormone replacement therapy in reproductive age women after hematopoietic stem cell transplants: a narrative review26
676 Study of immune status in women with non-specific chronic inflammatory diseases26
45 Does ovarian endometriosis increase oocyte sensitivity to icsi-induced mechanical damage?24
Is a pregnancy following a second trimester uterine evacuation associated with increased adverse maternal and neonatal outcomes?23
309 Keillands forceps: Is it a useful or dangerous instrument? A retrospective analysis of 46 deliveries in sunderland royal hospital between september 2019 - February 202022
Preeclampsia is caused by impaired placenta – A case report22
How do French Obstetrician-Gynaecologists perceive their quality of life? A national survey22
Serum calcium among women with pre-eclampsia and normotensive pregnant women in kawempe national referral hospital; a case control study22
Birth outcomes among pregnancies with covid-19 infection21
Patient experiences of outpatient hysteroscopy20
Corrigendum to: “Metformin modulates PI3K and GLUT4 expression and Akt/PKB phosphorylation in human endometrial stromal cells after stimulation with androgen and insulin” [Eur. J. Obstet. Gynecol. Rep20
Evaluation of oncofertility care in girls diagnosed with cancer, the eu-horizon 2020 trel project20
Manual therapy - possible method for premenstrual syndrome relief20
281. Gynocare cost action ca18117 “european network for gynaecological rare cancer research: From concept to cure”19
Comparison of antenatal depression between Syrian immigrants living in Turkiye and Turkish citizens19
Prenatal diagnosis of pseudocoarctaion of the aorta18
429 Diagnostic hysteroscopy and endometrial biopsy in the assessment of intrauterine alterations in infertile patients18
Development of a comprehensive database for research on foetal acidosis18
Anti-Müllerian hormone is a predictor of medium-term cumulative live birth following in vitro fertilization/intracytoplasmic sperm injection: A retrospective study17
The rate of elective cesarean section after pelvic or hip fracture remains high even after the long-term follow-up: A nationwide register-based study in Finland17
CTG interpretation templates affect residents’ decision making17
Perinatal and neonatal outcomes of high-risk asymptomatic women from a specialist preterm birth surveillance clinic17
Increased detection of high grade CIN, when using electrical impedance spectroscopy as an adjunct to routine colposcopy, is maintained when used across international boundaries: Prospective data from 17
A retrospective observational study of labour ward work Intensity: The challenge of maternity staffing17
077 Survey of national pediatric & adolescent gynecology experience in the Republic of Ireland17
110 The ultrasound and MRI findings in a young girl with an ovarian mass17
The effect of low-dose aspirin on platelet function during pregnancy compared to placebo: An explorative study17
100 Lipschütz ulcer in teenagers – Case report17
165 Abnormal uterine bleeding in adolescents as a common medical problem of demographic situation in ukraine16
352 Hysteroscopic metroplasty for septate uterus: A retrospective bicentric study involving 519 women16
027 Uterine transplantation in women with MRKH16
Endometrial cancer as an underlying cause of infertility: case series16
565 Fallopian tube cytological findings in women undergoing salpingectomy16
Understanding human immunity in idiopathic recurrent pregnancy loss15
Ultrasonographic features of the endometrium following successful medical termination of early pregnancy15
Is hormonal manipulation after surgical treatment of catamenial pneumothorax effective in reducing the rate of recurrence? A systematic review and meta-analysis15
Comparison of the efficacy for early warning systems in predicting obstetric critical illness15
Training for breech deliveries with the mother in an upright position: An innovative adaptation of a simulation model15
377 Risk of adverse perinatal outcome after labor induction in pregnancies complicated by gestational diabetes15
171 Efficacy and safety of mesh-augmented transvaginal repair with calistar s in non-fertile women with recurrent or complex anterior pelvic organ prolapse according to the scenihr-recommendations on 15
Long-term impact of stress urinary incontinence surgery on quality of life: a follow-up study14
Improved pregnancy outcomes following treatment of chronic endometritis: insights from the pregnancy-related endometrial microbial analysis (PREMA)14
Niraparib combined with anlotinib after PARPi resistance in ovarian cancer: A single-center retrospective study from China14
Cocaine and amphetamine-regulated transcript: a new identified intrafollicular mediator in ovulation induction protocols14
Reliability of hysteroscopic sampling methods in diagnosing atypical endometrial hyperplasia: a matched cohort study14
Leiomyoma nascens or leiomyosarcoma?14
External cephalic version: what do polish obstetricians and midwives know?14
Association between endometriosis and pregnancy complications: A nationwide retrospective analysis (2000–2021)14
Breast Health awareness among European O&G trainees: preliminary results14
Does gestational diabetes mellitus under effective management impact maternal and neonatal outcome in attempted vaginal breech deliveries?14
Non-invasive management of severe red blood cell alloimmunization during pregnancy14
A randomized controlled trial comparing mobile-app-based cognitive behavioral therapy with and without therapist support versus face-to-face therapy: study protocol14
AI in obstetrics: Evaluating residents’ capabilities and interaction strategies with ChatGPT13
A nationwide population-based register study of neonatal outcomes in pregnancy-associated Bell’s palsy13
The impact of D-dimer monitoring combined with anticoagulation therapy on pregnancy outcomes and complications in recurrent spontaneous abortion: A case-control study13
Transvaginal cervical cerclage – How well do surgeons assess their own procedures?13
Sotos syndrome: A study of antenatal presentation13
Association between polycystic ovary syndrome and the risk of malignant gynecologic cancers (ovarian, endometrial, and cervical): A population-based study from the U.S.A. National Inpatient Sample 20113
O-RADS MRI scoring system has the potential to reduce the frequency of avoidable adnexal surgery13
Top cited articles about the stress urinary incontinence: A bibliometric analysis13
Inter- and intra-observer reliability in first-trimester uterine artery Doppler measurements13
A 2-step remote TUNEL approach for sperm DNA fragmentation assessment. Analysis in donors and patients13
Considerations of breast cancer survivors to return for embryo transfer after fertility preservation: A qualitative study13
Early-pregnancy maternal heart rate is related to gestational diabetes mellitus (GDM)13
Atypical epithelioid trophoblastic lesion presenting as pseudocyst from the niche in the cesarean scar: A case report and review of the literature13
Gestational diabetes mellitus – Can we do better with postpartum diabetes screening?13
Data integrity of 14 randomised controlled trials12
Women with persistent/recurrent vaginal discharge should be offered multiplex-7 PCR testing12
Spontaneous double ectopic pregnancy of the cervix and right adnexa12
Pharmacokinetics of low-dose aspirin for the prevention of preeclampsia12
Effect of epidural analgesia on postpartum bladder sensation12
A systematic review and meta-analysis examining the role of zinc supplementation in ameliorating physical and psychological manifestations of premenstrual syndrome in young females12
A bibliometric analysis on laparoscopic pelvic floor surgery from 1996–202212
The role of ultrasonographic-guided insertion of cervical ripening balloon: A prospective study12
Can contrast-enhanced ultrasound differentiate cervical lesions?12
IV iron supplementation, dosage, and timing in pregnancy: A single-institution review on a maternal transfusion reduction bundle12
Comparative analysis of European guideline-based clinicopathological risk groups and the International Federation of Gynecology and Obstetrics staging system for endometrial cancer12
Fetal agenesis of the corpus callosum: Clinical and genetic analysis in a series of 40 patients12
Impact of first-trimester mechanical cervical dilatation during curettage on maternal and neonatal outcomes: A retrospective comparative study12
Effectiveness and complication rates of high intensity focused ultrasound treatment for abdominal wall endometriosis: A systematic review12
Immediate skin-to-skin contact during cesarean section – A pilot study with simulation characters12
A randomized comparison of a single-incision needleless (Contasure-needleless®) mini-sling versus a mid-urethral sling (Contasure-KIM®): 60-month follow-up results12
Expert opinion by the Italian Society of Gynecology of the Third Age (SIGiTE) and the Italian Society of Menopause (SIM) on hormone therapy with bioidentical hormones12
Retrospective cohort study on the bilateral occurrence of invasive lobular breast cancer12
Vulvar necrotizing wounds: Unveiling mortality-associated parameters and assessing the efficacy of VAC therapy11
The time has come for a paradigm shift in obstetrics’ medico-legal litigations11
Improving trustworthiness in research in Women's Health: A collective effort by OBGYN Editors11
Sepsis of unknown origin in pregnancy – mind the oral health care: Case report11
Amniocentesi with cerclage – the way of prevention of premature birth11
Second child after a live birth achieved with assisted reproductive technology: a comparative analysis between endometriosis and other causes of infertility11
Effect of body mass index on surgical outcomes in patients undergoing laparoscopic sacrohysteropexy and sacrocolpopexy11
Fetal intrahepatic Umbilical-Porto-Systemic venous shunts (IHUPSVS): In-utero anatomic classification11
A case of baby with cleft lip and palate from mother with bicornuate uterus. are anatomical fusion anomalies inherited from mother to baby or a coincidence?11
107 Human papillomavirus clearence in women of age 17-2511
Biomarker identification for endometriosis as a target for real-time intraoperative fluorescent imaging: A new approach using transcriptomic analysis to broaden the search for potential biomarkers11
Feasibility of sending a direct send HPV self-sampling kit to long-term non-attenders in an organized cervical screening program11
Neonatal and maternal outcomes with elective cesarean section compared to induction of labor in twin pregnancies: A prospective cohort study11
Retraction notice to “Can flowcytometric DNA studies forecast the prognosis of endometrial hyperplasia?” [Eur. J. Obstet. Gynecol. Reprod. Biol. 122 (2005) 104–106]11
Brain tumors in pregnancy, symptoms, diagnosis and our cases11
323 3D Ultrasound assessment of endometrial receptivity during ivf/icsi cycles11
Laparoscopic uterine preservation and vaginal reconstruction in a patient with uterus didelphys, vaginal agenesis and bilateral vesicoavginal fistulas11
127. Endometrial expression levels of leukemia inhibitory factor (lif) and lif-receptor are significantly decreased in women with recurrent pregnancy loss during implantation window: Pilot results10
661 Application of 3d-tumor spheroids in drug discovery10
Antenatal corticosteroids - The art of high-risk pregnancies selection10
Endometrial receptivity and its relationship with clinical factors in patients with recurrent implantation failure10
Reducing the risk of antimicrobial resistance by improving surgical site infection rates after caesarean using a bacteria binding wound dressing10
Maternal gut microbiota in the postpartum Period: A Systematic review10
Permanent or absorbable suture material for sacrospinous ligament fixation: Does it matter?10
Early gestational diabetes mellitus (EGDM) contiuous glucose monitoring (CGM) versus self-monitoring of blood glucose (SMBG) control - retrospective single centre cohort study10
Is the Grobman nomogram applicable in the context of high rates of vaginal delivery?10
Congenital adrenal hyperplasia and pregnancy: a multidisciplinary success story10
355 Correlation of patient and tumor characteristics with recurrence patterns of patients undergoing pelvix exenteration for gynecologic malignancy: A retrospective cohort study10
332 Investigation of the factors that affect the success of IVF10
Investigation of amino acid profile alterations in maternal serum for early diagnosis of anembryonic pregnancy with high performance liquid chromatography-mass spectrometry10
Is there a synergistic relationship between diaphragm and pelvic floor muscles in pregnant women?10
The cost-effectiveness of using a prognosis-tailored strategy model to triage couples with idiopathic infertility for assisted reproduction technology10
To screen or not to screen for asymptomatic bacteriuria in pregnancy: A comparative three-year retrospective review between two maternity centres10
Early pregnancy teaching and training amongst obstetric trainees in a tertiary maternity hospital10
Sexuality after breast cancer treatment: A physician’s survey of current clinical practice10
Protecting pregnancy with better sleep by treating snoring in the absence of sleep apnea10
Unraveling the role of nitrite and nitrate (NO2-NO3) in IVF: insights into oxidative stress, oocyte yield, and stimulation protocols10
Oocytes from smaller follicles show a reduced perivitelline space volume10
Inside Back Cover - Editors with images10
119 Combined laparoscopic-mini laparotomy approach for excision of a large dermoid cyst10
Corin—the early marker of preeclampsia in pregestational diabetes mellitus10
Ultrasound evaluation of the influence of cube pessary on female’s pelvic floor10
Maternal and perinatal outcomes in primiparous singleton pregnancies conceived with assisted reproductive technology in British Columbia10
Urinary disorders and urodynamic findings in women with endometriosis10
Evaluating the effectiveness of interventions: A comprehensive scoring system versus testing for statistical significance10
The utility of miRNA-135a in the diagnosis and differential diagnosis of adenomyosis10
The current status of (Dis)respectful maternity care in Croatia10
When is it necessary to perform biopsy in asymptomatic postmenopausal women with incidental finding of thickened endometrium?10
400 Oral health awareness among pregnant women in Greece10
Assessing the long-term effects of uterine surgery on menstrual and ovulatory function10
074 Prepubertal vaginal bleeding associated with use of lavender products: A case-series9
192. Finding validity in proposed hysteroscopic findings of chronic endometritis9
Sexual dysfunction in patients after cystocele surgery. Is the g-spot a myth or reality?9
Effect of increased gonadotropin dosing on maternal and neonatal outcomes in predicted poor responders undergoing IVF: follow-up of a randomized trial9
Evaluation of blood type as a potential risk factor for hemorrhage during vaginal hysterectomy9
On importance of consistent terminology and mutual understanding9
162 Comparative study of previous pregnant women of COVID-19 care at the intensive care unit in a west hospital in the Western Amazon, In the years 2020/20219
Alpha-fetoprotein (AFP) is reduced at 36 weeks’ gestation in pregnancies destined to deliver small for gestational age infants9
Stress incontinence combined score (SICS): A novel combined grading system to assess the severity of stress urinary incontinence in women9
Intra-ovarian infusion of autologous platelet-rich plasma in women with poor ovarian reserve: A before and after study9
Exploring the rationale of performing vaginal hysterectomy under local anaesthesia: A single-centre experience9
The menstrual cup knowledge, attitudes, and behaviors of Turkish women in reproductive age9
Exploring Black women’s experiences of consent to vaginal examination during labour9
The effects of climate change and environmental pollution on human reproduction: A scientific review commissioned by the European Board and College of Obstetrics and Gynaecology (EBCOG)9
Clinical associations of fetal heart rate accelerations as derived from transabdominal fetal electrocardiograms9
Third trimester messenger RNA COVID-19 booster vaccination upsurge maternal and neonatal SARS-CoV-2 immunoglobulin G antibody levels at birth9
Trustworthiness criteria for meta-analyses of randomized controlled studies: OBGYN journal guidelines9
Investigating the effect of Sulforaphane on AMPK/AKT/NRF2 pathway in human granulosa-lutein cells under H2O2-induced oxidative stress9
INDEX (Induction Experience) assessment of how women feel about induced labour: A prospective observational study9
Obstetric outcomes after conservative management of ovarian borderline tumors in women of reproductive age: A single center experience9
Research misconduct: Use of generative artificial intelligence in writing may lower the threshold9
Measurement of extraction forces of non-absorbable suture and different anchoring systems used for pelvic organ prolapse surgery using soft-embalmed cadavers: A feasibility study9
The great debate: Surgical outcomes of laparoscopic versus laparotomic myomectomy. A meta-analysis to critically evaluate current evidence and look over the horizon9
Paraneoplastic syndromes in ovarian carcinoma: A study on clinical spectrum, treatment and survival perspectives9
Comparison of SGA and Severe SGA rates using six size standards – Is there a difference?9
Inhaled methoxyflurane (Penthrox®) as a novel pain relief for outpatient hysteroscopy and other gynaecological procedures9
A prospective study of physical activity in full-term pregnant women and its effect on pregnancy outcomes9
High prevalence of low prognosis by the POSEIDON criteria in women undergoing planned oocyte cryopreservation9
A peculiar case of vasa previa: Placental lake and fetal bridge vessel9
Uretrovaginal reflux as a cause of daytime intermitent urinary incontinency in a 14-year old girl9
Fixation of uterosacral ligaments to anterior vaginal wall during modified McCall culdoplasty after vaginal hysterectomy9
Prenatal manifestations of 3q29 deletion: A potential relationship with enlarged nuchal translucency9
Guideline-based venous thromboprophylaxis in postpartum women: An in-depth evaluation of ACOG and RCOG recommendations and real-life implementation9
Three-dimensional transvaginal ultrasound versus MRI in the diagnosis and classification of congenital uterine anomalies: A systematic review and meta-analysis9
Evaluation of laparoscopic cervicosacropexy on sexual function in women with pelvic organ prolapse9
Predictions of live birth in IVF programs of patients with recurrent implantation failure9
Risks factors for anastomotic leakage in advanced ovarian cancer: A systematic review and meta-analysis9
Correlation of total and ionized magnesium levels between third trimester pregnant women and their newborn8
Is the EMpressin injection in ENDOmetrioma eXcision surgery useful? The EMENDOX study8
Vacuum-assisted birth in maternal lateral posture versus lithotomy. A simulation study8
52. Prenatal evaluation of lethal and non-lethal congenital anomalies with new indices and multidisciplinary decision-making8
Needleoscopic-assisted risk-reducing bilateral salpingo-oophorectomy in BRCA1/2 mutation carriers: Peri-operative outcomes and psychological impact8
Maternal thyroid function and free beta human chorionic gonadotrophin level in triploid pregnancies of paternal origin8
118 Contraception practice and knowledge of IUD among teenagers and young women8
383. Unscheduled bleeding on hormone replacement therapy: is it a cause for concern?8
PCOS patients differ in meal timings rather than total caloric or macronutrient intake in comparison to weight matched controls8
Prevalence and burden of nausea and vomiting in pregnant women: Interim analysis of the PURITY survey8
Postnatal debriefing practices after unexpected intrapartum interventions at the world’s oldest maternity hospital8
National trends of episiotomy in non-instrumental vaginal deliveries (2013–2022): A multi-data source approach8
Modeling the future workforce of obstetrics and gynecology in Belgium: From population ratio to gap analysis between supply and demand8
sFlt-1/PlGF ratio: what to expect with early-onset preeclampsia?8
Spontaneous healing of uterine rupture causing postpartum hemorrhage8
ChatGPT for guidance during unexpected labour: Comment8
A mixed method, phase 2 clinical evaluation of a novel device to treat postpartum haemorrhage8
Does weight loss in women with obesity induce regression of endometrial hyperplasia? A systematic review8
Two MMP2 gene polymorphisms significantly associated with polycystic ovary syndrome: A case-control analysis8
Impact of perinatal complications on venous thromboembolism in postpartum women8
Impact of intrauterine fluid accumulation on embryo transfer outcomes among patients with previous cesarean section8
Sacral neuromodulation in lower urinary tract symptoms in polish women – Our experience8
Metabolites as indicators of labor induction outcomes8
A rare case report of high-grade ovarian serous carcinoma with isolated tubal involvement associated with chronic schistosomiasis8
The sFLT-1/PLGF ratio values within the <38, 38–85, >85 brackets as compared to perinatal outcomes8
Iron deficiency in peri-menopausal women: Clinical considerations from an expert consensus8
POMMS: Pre-operative misoprostol in myomectomy surgery: A randomised controlled pilot study8
Preeclampsia risk in oocyte donation versus double gamete donation pregnancies: A systematic review and meta-analysis8
A novel obstetrical surgical intervention – New episiotomy: Case series study8
183 Physical activity routine during pregnancy in greece: a cross-sectional study8
Pregnancy to postpartum mHealth coaching improves metabolic outcomes in women at risk of gestational diabetes: the bump2baby and me trial8
Postpartum haemorrhage management: A randomized controlled trial comparing transvaginal uterine artery clamp, vacuum-assisted uterine contraction and condom tamponade8
Presence of intravaginal foreign bodies in children evaluated for forensic medicine examination: Two case reports8
OHVIRA syndrome - case report indicating importance of adequate diagnosis and management8
Simulation training for obstetric emergencies in low- and lower-middle income countries: A systematic review7
Full-term delivery after antepartum vaginal myomectomy for prolapsed myoma causing uterus distortion: A case report and literature review7
Normalization of subendometrial peristalsis in women with a large uterine niche following laparoscopic niche repair: A prospective cohort study7
Transvaginal excision of vaginal paraurethral leiomyoma: A video case report7
Corrigendum to “The Italian guidelines on ultrasound in obstetrics and gynecology: Executive summary of recommendations for practice” [Eur. J. Obstetrics Gynecol. 279 (2022) 176–182]7
Calprotectin levels in amniotic fluid in relation to intra-amniotic inflammation and infection in women with preterm labor with intact membranes: A retrospective cohort study7
Rational approach to fetal heart rate monitoring and management during the second stage of labor7
PhIGFBP-1 to predict preterm birth in asymptomatic women: A systematic review and meta-analysis7
Prenatal detection rate of congenital anomalies over a period of 30 years: A population-based registry study7
Effectiveness and safety of fezolinetant in alleviating vasomotor symptoms linked to Menopause.: A systematic review and Meta-Analysis7
Diabetic ketoacidosis in pregnancy – Case series, pathophysiology, and review of the literature7
Validated predictive risk analyses for neonatal brain injury before birth7
Case report of long-term pelvic organ prolapse outcomes after uterine-sparing reconstructive surgery and subsequent vaginal delivery: Changing tides7
Intraoperative tumor spill during minimally invasive hysterectomy for endometrial cancer: A survey study on experience and practice7
Intrapartum sonographic features of cephalopelvic disproportion in occiput anterior fetuses diagnosed with protracted active phase of labor7
Oil-based vs. water-based contrast medium in hysterosalpingography for older, anovulatory, and infertile women with high-risk of tubal disease7
Long-term outcomes and quality of life after Manchester procedure for pelvic reconstructive surgery in women with cervical elongation7
LASER treatment in gynaecology –A randomized controlled trial in women with symptomatic lichen sclerosus7
Efficacy and safety of dienogest in the treatment of deep infiltrating endometriosis: A meta-analysis7
Higher serum progesterone level has no negative impact on live birth rate in frozen embryo transfer7
Daily patient flow unevenness in different sized delivery hospitals – An 11-year register study of 610 227 deliveries7
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