American Journal of Obstetrics & Gynecology Mfm

Article	Citations
Developing a novel patient-centered definition of severe maternal morbidity	155
Complications associated with oral glucose testing in pregnant patients with prior bariatric surgery	123
Elevated B-type natriuretic peptides predict resistant hypertension in patients with postpartum severe preeclampsia: a prospective cohort study	91
Short term neonatal outcomes of pregnancies complicated by maternal obesity: is the risk higher for mothers with morbid obesity than for those with super morbid obesity?	65
Circulating serine peptidase inhibitor Kunitz type 1 (SPINT1) in the second trimester is reduced among pregnancies that end in low birthweight neonates: cohort study of 2006 pregnancies	59
Full-term induction of labor vs expectant management and cesarean delivery in women with obesity: systematic review and meta-analysis	57
Obstetrical outcomes and follow-up for patients with asymptomatic COVID-19 at delivery: a multicenter prospective cohort study	54
Effect of sterile vs clean gloves for cervical checks in labor on maternal infection at term: a randomized trial	43
In-utero antibiotic exposure and subsequent infections in infancy: a register-based cohort study with sibling analysis	41
Long-term respiratory outcomes in early-term born offspring: a systematic review and meta-analysis	39
Six compared with 12 hours of Foley balloon placement for labor induction in nulliparous women with unripe cervices: a randomized controlled trial	38
Prelabor and intrapartum Doppler ultrasound to predict fetal compromise	38
Gestation of delivery in people with antepartum hemorrhage and placenta previa	38
Remote blood pressure management for postpartum hypertension: a cost-effectiveness analysis	37
Does combining warm perineal compresses with perineal massage during the second stage of labor reduce perineal trauma? A randomized controlled trial	36
Letter to the editor regarding “Risk factors for placenta accreta spectrum disorder among patients with placenta previa and prior cesarean delivery”	36
Postpartum hemorrhage protocols and benchmarks: improving care through standardization	35
Prophylactic endovascular internal iliac balloon placement during cesarean hysterectomy for placenta accreta spectrum	35
To the Point: optimizing the learning environment in labor and delivery	34
Risk of severe maternal morbidity and mortality among pregnant patients with chronic kidney disease	34
The effects of proton pump inhibitors during pregnancy on treatment of preeclampsia and related outcomes: a systematic review and meta-analysis	34
A new formula for estimating gestational age by crown-rump length	33
Continuous glucose monitoring vs. self-monitoring in pregnant individuals with type 1 diabetes: an economic analysis	33
Corrigendum to Intramuscular progesterone in women with twins and a prior singleton spontaneous preterm birth American Journal of Obstetrics & Gynecology MFM/ Volume 2 (2020)/100124	33
Cochrane Update: news and reviews from the Cochrane US Network	33

Developing a risk profile for spontaneous preterm birth and short interval to delivery among patients with threatened preterm labor	32
Conservative management for placenta accreta spectrum: questions and barriers remain but are surmountable	32
Management of cervical cerclage after preterm premature rupture of membranes: an argument for retention	32
Vascular effects of a hypertensive disorder of pregnancy antepartum and postpartum: the EPOCH study	32
Trustworthiness criteria for meta-analyses of randomized controlled studies: OBGYN journal guidelines	31
One-step conservative surgery vs hysterectomy for placenta accreta spectrum: a feasibility randomized controlled trial	31
Longitudinal evolution of central nervous system anomalies in fetuses with open spina bifida fetoscopic repair and correlation with neurologic outcome	30
Maternal-neonatal transfer of SARS-CoV-2 immunoglobulin G antibodies among parturient women treated with BNT162b2 messenger RNA vaccine during pregnancy	29
Suture type for hysterotomy closure: a systematic review and meta-analysis of randomized controlled trials	29
Outcomes of shared institutional review board compared with multiple individual site institutional review board models in a multisite clinical trial	28
Fetoscopic repair of spina bifida: continued refinement of the procedure is needed	28
Association between nonbirthing parent's perinatal education and mental health support desires and perinatal anxiety among either parent	27
Development, woman-centricity and psychometric properties of maternity patient-reported experience measures: a systematic review	26
Traction vs no traction in Foley catheter use for induction of labor: a systematic review and meta-analysis of randomized trials	26
Letters of recommendation for maternal-fetal medicine fellowship: time for best practices	25
Regional differences in maternal-fetal medicine fellows' attitudes toward abortion-related training during fellowship	25
Bridging the gap: why women’s health equity benefits everyone	25
Universal cervical length screening: yes!	25
The association between engagement in a perinatal collaborative care program and breastfeeding among people with identified mental health conditions	24
Comparative retrospective study on the validity of point-of-care testing device for massive obstetrical hemorrhage: dry hematology vs thromboelastography	24
Delivery timing for the opioid–exposed infant	24
A randomized controlled trial comparing the efficacy of nifedipine and enalapril in the postpartum period	23
Reply to Letter to Editor ‘Acute funisitis among term deliveries complicated by intraamniotic infection: important but not the foremost’	23
Analysis of Google search data related to the development of birth plans	23
Corrigendum to Cervical cerclage for short cervix at 24 to 26 weeks of gestation: systematic review and meta-analysis of randomized controlled trials using individual patient-level data American Journ	23
Risk factors for preterm birth among gravid individuals receiving buprenorphine for opioid use disorder	22
Misoprostol with balloon vs oxytocin with balloon in high-risk pregnancy induction: a randomized controlled trial	22
Mode of delivery and perinatal outcomes by modified World Health Organization classification of maternal cardiovascular risk in pregnancy	22
Reflective and emotional writing in maternal-fetal medicine: American Journal of Obstetrics & Gynecology Maternal-Fetal Medicine welcomes submissions for its new “Ob E-motions” article format	22
Unpublished completed obstetric randomized clinical trials registered at ClinicalTrials.gov: how big is this issue?	22
Fixed-time interval vs on-demand oral analgesia after vaginal delivery: a randomized controlled trial	21
Tranexamic acid for the prevention of blood loss after cesarean section: an updated systematic review and meta-analysis of randomized controlled trials	21
Postpartum care in the neonatal intensive care unit, PeliCaN: a randomized controlled trial	21
Implementation of an algorithm for testing, diagnosis, and antibiotic stewardship of asymptomatic bacteriuria in pregnancy	21
Vacuum delivery in all-fours position: is it a valuable, brand-new option?	21
Duality and the divine: the symbolism and suspicion of twins in ancient Greece and Rome	21
Vaginal progesterone should be offered to patients with a singleton gestation and a history of spontaneous preterm birth only if a cervical length ≤25 mm is detected at midtrimester	20
The Implementation of Preeclampsia Screening and Prevention (IMPRESS) Study	20
The fetal scalp electrode shortage is an urgent patient safety issue	20
Statewide assessment of telehealth use for obstetrical care during the COVID-19 pandemic	20
Evaluation of fecal incontinence after obstetric anal sphincter injury: a 12-year follow-up cohort study	20
Offering onsite COVID-19 vaccination to high-risk obstetrical patients: initial findings	20
Putting the “S” in “SMFM”: surgically training the future of maternal-fetal medicine	19
Subclassification of fetal growth restriction type IIa vs type IIb applied to twin-twin transfusion syndrome	19
Early vs. delayed amniotomy in individuals undergoing pre-induction cervical ripening with transcervical Foley balloon: a meta-analysis	18
Reduced prevalence of fetal exposure to alcohol in Italy: a nationwide survey	18
Accuracy of a model for predicting primary cesarean delivery in pregnancies complicated by gestational diabetes mellitus in a multicenter external population	18
Lighting the way: Indocyanine green-guided laparoscopic transabdominal cerclage in pregnancy	18
After Roe: the moral imperative of maternal-fetal medicine specialists	18
ChatGPT in maternal-fetal medicine practice: comment	18

Corrigendum to ‘Combined vaginal progesterone and cervical cerclage in the prevention of preterm birth: a systematic review and meta-analysis’ American Journal of Obstetrics & Gynecology MFM/ Volu	18
Letter to the Editor re: Quantifying placenta accreta spectrum severity and its associated blood loss: a novel transvaginal ultrasound scoring system	18
Rigor, reproducibility, and transparency of randomized controlled trials in obstetrics and gynecology	18
Manual rotation of persistent occiput posterior position: more research is warranted	18
Effect of encouraging awareness of reduced fetal movement and subsequent clinical management on pregnancy outcome: a systematic review and meta-analysis	18
Prenatal exome sequencing for the structurally normal fetus: ready or not?	17
Reproductive outcomes following open maternal–fetal surgery for myelomeningocele closure: analysis of MOMS trial participants	17
Impact of telehealth implementation on diagnosis of hypertensive disorders of pregnancy	17
Cervical dilation staging and early preterm birth risk after exam-indicated cerclage: A Retrospective Cohort Study with the International Collaborative for Cerclage Longitudinal Evaluation and Researc	17
Subcutaneous vs intravenous fentanyl for labor pain management: a multicenter randomized controlled trial	17
An update to tranexamic acid trends during the peripartum period in the United States, 2019 to 2021	17
RETRACTED: Oxytocin with calcium vs oxytocin for induction of labor in women with term premature rupture of membranes: a randomized controlled trial	17
Reduced odds of severe maternal morbidity associated with the US Affordable Care Act dependent coverage provision	16
The effects of heparin, aspirin, and maternal clinical factors on the rate of nonreportable cell-free DNA results: a retrospective cohort study	16
A call to address teamwork and patient safety culture in hospital maternity units: findings from a survey of maternal healthcare professionals in Maryland	16
Accuracy and utilization patterns of intraabdominal imaging for major trauma in pregnancy	16
Validating staging criteria for sonographic and physical examination for cervical changes at <24 weeks’ gestation to predict preterm birth	16
A new care pathway to optimize gestational weight gain in twin pregnancies	16
The Pink Journal Club Toolkit: redefining journal clubs in obstetrics and maternal-fetal medicine	16
Adverse maternal outcomes associated with major fetal malformations after singleton live birth	16
The role of digital examination in the setting of a sonographically short cervix	16
Myometrial shortening stimulates contractility: a biomechanical hypothesis for labor onset and progression	16
Developmental outcomes in small-for-gestational age twins using a singleton vs twin birthweight reference	16
Fetal sex and the development of gestational diabetes mellitus in polycystic ovarian syndrome gravidae	16
Development and validation of an electrocardiographic artificial intelligence model for detection of peripartum cardiomyopathy	16
Early-onset vs late-onset preeclampsia and risk of coronary atherosclerosis later in life: a clinical follow-up study	16
Validation of a sonographic checklist for the detection of histologic placenta accreta spectrum	16
Sociodemographic factors associated with antenatal steroid use among late preterm births	16
Oxytocin vs oral misoprostol for PROM induction in nulliparas with unfavorable cervix: a randomized trial	15
Evidence of vertical transmission of SARS-CoV-2 and interstitial pneumonia in second-trimester twin stillbirth in asymptomatic woman. Case report and review of the literature	15
Periventricular echogenicity in fetuses with hemoglobin Bart disease: a potential sonographic marker	15
Follow-up of asymptomatic positive COVID-19 patients after delivery	15
Labor roulette: the probability of achieving spontaneous labor in normal-risk nulliparous patients	15
Geographic disparities in peripartum cardiomyopathy outcomes	15
Advanced Maternal Age Among Nulliparous at Term and Risk of Unscheduled Cesarean Delivery	15
Oral labetalol versus nifedipine in preterm preeclampsia with severe features: a multicenter study evaluating pregnancy latency	15
Persistent Occiput Posterior position–OUTcomes following manual rotation (the POP-OUT trial): a randomized controlled clinical trial	15
Prevalence of high-penetrant copy number variants in 7734 low-risk pregnancies	15
Routine third-trimester ultrasound assessment for intrauterine growth restriction	15
Antepartum hospital use and delivery outcomes in California	15
Outcomes of induction vs prelabor cesarean delivery at <33 weeks for hypertensive disorders of pregnancy	15
Intrapartum nipple stimulation therapy for labor induction: a randomized controlled external pilot study of acceptability and feasibility	15
Combined vaginal progesterone and cervical cerclage in the prevention of preterm birth: A systematic review and meta-analysis	15
Transverse Abdominal Plane Block with Low-Dose Sufentanil vs. High-Dose Sufentanil for Post-Cesarean Pain: A Double-Blind Study	14
Deep learning for estimation of fetal weight throughout the pregnancy from fetal abdominal ultrasound	14
The effectiveness of ultrasound-indicated cerclage for the reduction of extreme preterm birth in twin pregnancies with a short cervix: a systematic review and meta-analysis	14
External validation and comparison of four prediction scores for severe maternal morbidity	14
Is the COVID-19 vaccine really protective in pregnancy against low birthweight?	14
Utilizing perinatal patient navigation to address self-identified social determinants of health in pregnancy	14
Cochrane Update: News and Reviews from the Cochrane US Network and the Maternal-Newborn-Child Health Thematic Group	14
A randomized trial of clustered vs spaced simulation in forceps-assisted vaginal deliveries	14
Clinical decision analysis of elective delivery vs expectant management for pregnant individuals with COVID-19–related acute respiratory distress syndrome	14
The Fish Oil to Reduce Tobacco Use iN Expectant mothers (FORTUNE) feasibility trial	14
Assessment of placenta accreta spectrum at vaginal birth after cesarean delivery	14
Electric massage chairs reduce labor pain in nulliparous patients: a randomized crossover trial	14
The effectiveness of transabdominal cerclage placement via laparoscopy or laparotomy: a systematic review and meta-analysis	14
The impact of risk factors on aspirin's efficacy for the prevention of preterm birth	14
Stage I twin-twin transfusion syndrome with intermittent umbilical artery Doppler abnormalities	14
Prevention of preterm birth in twin pregnancies	14
Association between interpregnancy interval and the labor curve	14
Surgical transversus abdominis plane block with liposomal bupivacaine at cesarean: a pilot randomized trial	14
Placental pathology lesions: International Society for Ultrasound in Obstetrics and Gynecology vs Society for Maternal-Fetal Medicine fetal growth restriction definitions	14
Response to “Placenta insufficiency and congenital heart defects”	13
Timing of delivery for placenta accreta spectrum: the Pan-American Society for the Placenta Accreta Spectrum experience	13
A population-based analysis of postpartum acute care use among women with disabilities	13
Adjunctive azithromycin for scheduled cesarean delivery in patients with obesity: a secondary analysis of a randomized controlled trial	13
“Praying for freedom”: a story of labor trafficking during pregnancy	13
Cost-effectiveness of universal routine sonographic cervical-length measurement at 19 to 25 weeks’ gestation	13
Elevated midtrimester maternal plasma cytokines and preterm birth in patients with cerclage	13
Association between asthma and hypertensive disorders of pregnancy: a secondary analysis of the Nulliparous Pregnancy Outcomes Study: monitoring mothers-to-be (nuMoM2b) prospective cohort study	13
Predictive performance of the American College of Surgeons risk calculator for postoperative complications in nonobstetrical individuals undergoing nonobstetric surgery	13
Major trauma in pregnancy: prediction of maternal and perinatal adverse outcomes	13
Identifying women with postdelivery posttraumatic stress disorder using natural language processing of personal childbirth narratives	13
Late preterm delivery has a distinctive second-stage duration and characteristics	13
Maternal antipsychotic use during pregnancy and congenital malformations: a reply	13
Pregnancy outcomes following diabetic ketoacidosis: a systematic review	13
Optimizing induction of labor: the Birth Efficiency and Satisfaction Induction of Labor (BEST induction of labor) study	13
Reply: Current optimal dose of aspirin for the prevention of preterm preeclampsia	13
Outcome of prelabor rupture of membranes before or at the limit of viability: systematic review and meta-analysis	13
Hypoxia modifies levels of the SARS-CoV-2 cell entry proteins, angiotensin-converting enzyme 2, and furin in fetal human brain endothelial cells	13

The maternal pelvic floor and labor outcome	13
Cochrane update: update on Cochrane Pregnancy and Childbirth Group publications	13
Method of insulin delivery does not affect perinatal outcomes with type 1 diabetes mellitus	13
Post Antenatal Late Preterm Steroids trial: interrupted time series analysis of respiratory outcomes in twin and pregestational diabetes	13
The role of pravastatin in preventing preeclampsia in high-risk pregnant women: a meta-analysis with trial sequential analysis: a response	13
Reply to: Regarding “Tugging the Foley catheter balloon every three hours in induction of labor after one previous cesarean: a randomized controlled trial”1	12
Pharmacologic venous thromboembolism prophylaxis for preterm prelabor rupture of membranes	12
Cardiovascular and obstetrical outcomes among delivering patients with Marfan or Loeys-Dietz syndrome: a retrospective analysis by hospital delivery setting	12
Impact of the Dobbs v Jackson Women's Health Organization decision on retention of Indiana medical students for residency	12
Cost-effectiveness of exome sequencing and chromosomal microarray for low-risk pregnancies	12
Optimization of the Mood Disorder Questionnaire in identification of perinatal bipolar disorder	12
The role of lung and cardiac ultrasound for cardiovascular hemodynamic assessment of women with preeclampsia	12
Associations of influenza, chronic comorbid conditions, and severe maternal morbidity among pregnant women in the United States with influenza at delivery hospitalization, 2000–2015	12
Pregnant people in a large United States cohort study do not meet federal nutrition guidelines	12
Management of twin‐to‐twin transfusion syndrome: update and current challenges	12
How many US obstetrical trials reach publication? A cross-sectional analysis of ClinicalTrials.gov and PubMed from 2007 to 2019	12
An informative video before planned cesarean delivery and maternal anxiety—a multicenter randomized controlled trial	12
Predictors of dual demise within the first week after selective cord occlusion via radiofrequency ablation for complex monochorionic pregnancies	12
Together or separated in time? Two simultaneous cervical ripening agents perform better than one for labor induction	12
Patient-directed discharge during antepartum hospitalization and risk for adverse outcomes at delivery	11
The sonographic measurement of the ratio between the fetal head circumference and the obstetrical conjugate is accurate in predicting the risk of labor arrest: results from a multicenter prospective s	11
Physical activity and pregnancy outcomes: an expert review	11
Gender-inclusive research instructions in author submission guidelines: results of a cross-sectional study of obstetrics and gynecology journals	11
The more - the merrier?	11
Corrigendum to A randomized trial of synthetic osmotic cervical dilator for induction of labor vs dinoprostone vaginal insert American Journal of Obstetrics & Gynecology MFM Volume 4, Issue 4, Jul	11
Reply: Enhancing diagnostic approaches for placental dysfunction in fetal growth restriction	11
Antihypertensive therapy and unplanned maternal postpartum healthcare utilization in patients with mild chronic hypertension	11
Length of labor and niche formation	11
The association of immediate postpartum glucose values with persistent insulin resistance in patients with gestational diabetes	11
Amniotic fluid rubidium concentration association with newborn birthweight: a maternal-neonatal pilot study	11
Cervical dilation after initial cervical cerclage in twin pregnancies: is repeat cerclage beneficial?	11
More data coming out soon on fundal pressure	11
Smartphone-based counseling and support platform and the effect on postpartum lactation: a randomized controlled trial	11
Placental mosaicism for autosomal trisomies: comprehensive follow-up of 528 Danish cases (1983–2021)	11
Evaluation of mechanical and nonmechanical methods of cervix ripening in women with pre-labor rupture of membranes: a randomized controlled trial	11
The usefulness of ultrasound before induction of labor	11
Facilitating global collaborations for pregnancy and pediatric biomarker research through a biobank database: the Collaborative Online Perinatal & Pediatric Repository project	11
Selective fetal reduction in monochorionic diamniotic twins may be a safe therapeutic alternative to ongoing pregnancy	11
Subcutaneous tissue closure and postoperative wound complications in cesarean delivery: a systematic review and meta-analysis	11
Inflammatory markers in serum and placenta in a randomized controlled trial of group prenatal care	11
Prophylactic rotation for malposition in the second stage of labor: a systematic review and meta-analysis of randomized controlled trials	11
Letter to the editor regarding “Propranolol to decrease time to delivery: a meta-analysis of randomized controlled trials”	11
Anatomy of a joyful career: Empowering your well-being through your mindset	11
Cochrane update: news and reviews from the Cochrane US network	11
Cervicovaginal microbiome in twin vs singleton gestations	11
Cervical length nomograms for singleton pregnancies: a large-scale gestational analysis	11
Urine drug screening on labor and delivery	11
Pregnancy outcomes following early fetoscopic laser photocoagulation for twin-to-twin transfusion syndrome at 16 weeks’ gestation	11
Community-level social determinants of health and pregestational and gestational diabetes	10
Letter to the editor regarding “Does combining warm perineal compresses with perineal massage during the second stage of labor reduce perineal trauma? A randomized controlled trial”: reevaluating peri	10
Integrated metabolomics and machine learning approach to predict hypertensive disorders of pregnancy	10
A data-driven approach produced a more efficient, pragmatic periconception dietary index	10
Sleep during pregnancy: a systematic review of racial and ethnic disparities and associations to experiences of discrimination	10
Azithromycin dosing and preterm premature rupture of membranes treatment (ADAPT): a randomized controlled Phase I trial	10
Prevalence of preeclampsia risk factors: implications for low-dose aspirin prophylaxis	10
Differences in outpatient, emergency, and inpatient use among pregnant women with a substance-related diagnosis	10
Pregnancy planning, prevention, and risk evaluation clinics: rethinking the traditional preconception consult	10
Risk of delivery complications among pregnant people experiencing housing insecurity	10
Aspirin dosage for preeclampsia prophylaxis: an argument for 81-mg dosing	10
Prediction of spontaneous preterm birth in women with previous full dilatation cesarean delivery	10
Use of cell salvage at the time of cesarean delivery: a meta-analysis of randomized controlled trials	10
The effect of home ultrasound on maternal anxiety in patients with previous recurrent pregnancy loss: A randomized control trial	10
The use of intrapartum ultrasound in operative vaginal birth: a retrospective cohort study	10
Intrapartum ultrasound for the diagnosis of cephalic malpositions and malpresentations	10
A systematic review of patient–reported outcome measures used in maternal postpartum anxiety	10
Racial disparities in care escalation for postpartum hemorrhage requiring transfusion	10
Transverse position. Using rotation to aid normal birth—OUTcomes following manual rotation (the TURN-OUT trial): a randomized controlled trial	10
Trends in and outcomes associated with obstructive sleep apnea during deliveries in the United States, 2000–2019	10
Obstetrical management and outcomes of female genital mutilations in a high resource expert center	9
Pregnancy and birth outcomes after SARS-CoV-2 vaccination in pregnancy	9
Evidence-based cesarean delivery: postoperative care (part 10)	9
High- vs low-dose oxytocin protocols for labor induction: a systematic review and meta-analysis	9
The association between first trimester physical activity levels and perinatal outcomes	9
Impact of restricting early-term deliveries on adverse neonatal outcomes: a statewide analysis	9
Abortion consideration and completion among people with a fetus affected with myelomeningocele: a single maternal-fetal surgical center experience	9
Fragility of statistically significant outcomes in obstetric randomized trials	9
Costs associated with postpartum hemorrhage care based on severity	9
Trends in gestational diabetes mellitus among nulliparous pregnant individuals with singleton live births in the United States between 2011 to 2019: an age-period-cohort analysis	9
Correlation between medical management and teamwork in multidisciplinary high-fidelity obstetrics simulations	9
A nomogram to optimize the timing of antenatal corticosteroids in threatened preterm delivery	9
Common teratogenic medication exposures—a population-based study of pregnancies in the United States	9
Assessing the multifaceted cervix: examining cervical gland area at cervical length screening to predict spontaneous preterm birth	9
Immersion in water during the second stage of labor: a randomized controlled trial	9
Monkeypox virus in pregnancy, do we have sufficient evidence?	9
Universal cervical length screening and risk of spontaneous preterm birth: a systematic review and meta-analysis	9
Impact of post-Dobbs abortion restrictions on maternal-fetal medicine physicians in the Southeast: a qualitative study	9
Oxytocin regimen used for induction of labor and pregnancy outcomes	9
Peripartum interventions for people with class III obesity: a systematic review and meta-analysis	9
Three-dimensional volume rendering ultrasound for assessing placenta accreta spectrum severity and discriminating it from simple scar dehiscence	9
Serum amyloid A1 and pregnancy zone protein in pregnancy complications and correlation with markers of placental dysfunction	9
Comparing the effects of water temperature and additives in glucose solution on pregnant women's taste, side effects, and glycemic levels during an oral glucose tolerance test: a randomized controlled	9
Mendelian randomization study of birthweight, gestational age, and risk of childhood acute lymphoblastic leukemia	9
Resident and program director confidence in resident preparedness for operative vaginal deliveries in Obstetrics and Gynecology Training Programs in the United States	9
Reply to Interpregnancy interval: attention should be given after conservative treatment of placenta accreta spectrum	9
Postpartum care receipt among parents of preterm infants admitted to the neonatal intensive care unit	9