OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Pregnancy and Childbirth is 37. 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 2020-03-01 to 2024-03-01.)

Article	Citations
Psychosocial factors associated with postpartum psychological distress during the Covid-19 pandemic: a cross-sectional study	127
Effects of pre-pregnancy body mass index and gestational weight gain on maternal and infant complications	127
Epidemiological trends of maternal hypertensive disorders of pregnancy at the global, regional, and national levels: a population‐based study	122
Women’s perceptions of COVID-19 and their healthcare experiences: a qualitative thematic analysis of a national survey of pregnant women in the United Kingdom	111
Women’s views on accepting COVID-19 vaccination during and after pregnancy, and for their babies: a multi-methods study in the UK	106
Effectiveness of telemedicine for pregnant women with gestational diabetes mellitus: an updated meta-analysis of 32 randomized controlled trials with trial sequential analysis	89
Haemostatic and thrombo-embolic complications in pregnant women with COVID-19: a systematic review and critical analysis	74
Stressors, coping, and resources needed during the COVID-19 pandemic in a sample of perinatal women	65
Trends in and determinants of visiting private health facilities for maternal and child health care in Nepal: comparison of three Nepal demographic health surveys, 2006, 2011, and 2016	62
Postnatal depression and its association with adverse infant health outcomes in low- and middle-income countries: a systematic review and meta-analysis	59
The association between parity and spontaneous preterm birth: a population based study	58
Health outcomes of smoking during pregnancy and the postpartum period: an umbrella review	57
Factors associated with short birth interval in low- and middle-income countries: a systematic review	57
Assisted reproductive technology and hypertensive disorders of pregnancy: systematic review and meta-analyses	57
In their own words: a qualitative study of factors promoting resilience and recovery among postpartum women with opioid use disorders	52
Pregnant women’s well-being and worry during the COVID-19 pandemic: a cross-sectional study	51
The association between SARS-CoV-2 infection and preterm delivery: a prospective study with a multivariable analysis	50
Women’s experiences of decision-making and informed choice about pregnancy and birth care: a systematic review and meta-synthesis of qualitative research	47
The risk of clinical complications and death among pregnant women with COVID-19 in the Cerner COVID-19 cohort: a retrospective analysis	47
The impact of COVID-19 first wave national lockdowns on perinatal outcomes: a rapid review and meta-analysis	46
Prevalence and risk factors of severe postpartum hemorrhage: a retrospective cohort study	46
Resilience and vulnerability of maternity services in Zimbabwe: a comparative analysis of the effect of Covid-19 and lockdown control measures on maternal and perinatal outcomes, a single-centre cross	45
Adherence to iron-folic acid supplementation among pregnant women in Ethiopia: a systematic review and meta-analysis	44
Monitoring gestational weight gain and prepregnancy BMI using the 2009 IOM guidelines in the global population: a systematic review and meta-analysis	44
Prevalence and risk factors of postpartum depression in the Middle East: a systematic review and meta–analysis	43

Determinants of early postnatal care attendance: analysis of the 2016 Uganda demographic and health survey	42
The lived experiences of pregnant women during COVID-19 pandemic: a descriptive phenomenological study	42
Knowledge, attitudes, practices, and influencing factors of anxiety among pregnant women in Wuhan during the outbreak of COVID-19: a cross-sectional study	42
Risk factors for perineal and vaginal tears in primiparous women – the prospective POPRACT-cohort study	42
Men, trans/masculine, and non-binary people’s experiences of pregnancy loss: an international qualitative study	41
Obstetric pain correlates with postpartum depression symptoms: a pilot prospective observational study	40
Prevalence of vulvovaginal candidiasis among pregnant women in the Ho municipality, Ghana: species identification and antifungal susceptibility of Candida isolates	39
Maternal and perinatal characteristics and outcomes of pregnancies complicated with COVID-19 in Kuwait	39
Women’s retention on the continuum of maternal care pathway in west Gojjam zone, Ethiopia: multilevel analysis	39
Pregnancy-related anxiety and its associated factors during COVID-19 pandemic in Iranian pregnant women: a web-based cross-sectional study	38
Determinants of completing recommended antenatal care utilization in sub-Saharan from 2006 to 2018: evidence from 36 countries using Demographic and Health Surveys	38
When birth is not as expected: a systematic review of the impact of a mismatch between expectations and experiences	37