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Etrusco A, Sfregola G, Zendoli F, Musicco A, Belpiede A, Della Pietà C, Giannini A, Mikuš M, Venezia R, Garzon S, Uccella S, Laganà AS. Effect of Maternal Age and Body Mass Index on Induction of Labor Using Oral Misoprostol in Late-Term Pregnancies: A Retrospective Cross-Sectional Study. Gynecol Obstet Invest 2024; 89:323-329. [PMID: 38565086 DOI: 10.1159/000538374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/11/2024] [Indexed: 04/04/2024]
Abstract
INTRODUCTION Several studies have shown that late- and post-term pregnancies are associated with an increased risk of perinatal morbidity and mortality. In this case, induction of labor is the recommended approach. For full-term pregnancies, various methods exist to prepare the cervix and/or commence labor. Prostaglandins serve the dual purpose of cervical ripening and labor induction, blurring the distinction between the two processes. The aim of this research was to evaluate the effect of maternal age and body mass index (BMI) on oral misoprostol induction of labor for late-term pregnancies. METHODS This was a retrospective cross-sectional study (ClinicalTrial ID: NCT06184139), including only late-term pregnancies in healthy nulliparous women carrying a single cephalic fetus with normal birthweight who underwent induction of labor with oral misoprostol. We used the oral misoprostol regimen proposed by the World Health Organization (WHO) for induction of labor in term singleton pregnancies in women who have not had a previous cesarean delivery and a Bishop score <7. The regimen was oral misoprostol in aqueous solution at the low dose of 25 μg every 2 h until a Bishop score ≥7, labor, or for a maximum of 8 doses. RESULTS One hundred and four pregnant women underwent induction of labor with oral misoprostol for late-term pregnancy on the 290th day of gestation. Study population was divided in two groups based on age (<35 and ≥35 years) and obesity (BMI <30 and ≥30). No statistically significant differences were recorded between younger and older women. Obese women reported a longer time between the last dose of misoprostol and cervical dilation of 6 cm (p = 0.01), a longer time between the last dose of misoprostol and delivery (p = 0.04), and a higher rate of grade II vaginal lacerations (p = 0.02). CONCLUSIONS Maternal BMI is a factor negatively influencing the efficacy of oral misoprostol for induction of labor in late-term pregnancy.
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Affiliation(s)
- Andrea Etrusco
- Unit of Obstetrics and Gynecology, "Paolo Giaccone" Hospital, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Gianfranco Sfregola
- Department of Obstetrics and Gynecology, "Dimiccoli" Hospital, Barletta, Italy
| | - Federica Zendoli
- Department of Obstetrics and Gynecology, Hospital of Bisceglie, Bisceglie, Italy
| | | | - Antonio Belpiede
- Department of Obstetrics and Gynecology, "Dimiccoli" Hospital, Barletta, Italy
| | | | - Andrea Giannini
- Department of Gynecological, Obstetrical and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Mislav Mikuš
- Department of Obstetrics and Gynecology, Clinical Hospital Center Zagreb, Zagreb, Croatia
| | - Renato Venezia
- Unit of Obstetrics and Gynecology, "Paolo Giaccone" Hospital, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Simone Garzon
- Department of Obstetrics and Gynecology, AOUI Verona, University of Verona, Verona, Italy
| | - Stefano Uccella
- Department of Obstetrics and Gynecology, AOUI Verona, University of Verona, Verona, Italy
| | - Antonio Simone Laganà
- Unit of Obstetrics and Gynecology, "Paolo Giaccone" Hospital, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
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Al Wattar BH, Honess E, Bunnewell S, Welton NJ, Quenby S, Khan KS, Zamora J, Thangaratinam S. Effectiveness of intrapartum fetal surveillance to improve maternal and neonatal outcomes: a systematic review and network meta-analysis. CMAJ 2021; 193:E468-E477. [PMID: 33824144 PMCID: PMC8049638 DOI: 10.1503/cmaj.202538] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND: Cesarean delivery is the most common surgical procedure worldwide. Intrapartum fetal surveillance is routinely offered to improve neonatal outcomes, but the effects of different methods on the risk of emergency cesarean deliveries remains uncertain. We conducted a systematic review and network meta-analysis to evaluate the effectiveness of different types of fetal surveillance. METHODS: We searched MEDLINE, Embase and CENTRAL until June 1, 2020, for randomized trials evaluating any intrapartum fetal surveillance method. We performed a network meta-analysis within a frequentist framework. We assessed the quality and network inconsistency of trials. We reported primarily on intrapartum emergency cesarean deliveries and other secondary maternal and neonatal outcomes using risk ratios (RRs) and 95% confidence intervals (CIs). RESULTS: We included 33 trials (118 863 patients) evaluating intermittent auscultation with Pinard stethoscope/handheld Doppler (IA), cardiotocography (CTG), computerized cardiotocography (cCTG), CTG with fetal scalp lactate (CTG-lactate), CTG with fetal scalp pH analysis (CTG-FBS), CTG with fetal pulse oximetry (FPO-CTG), CTG with fetal heart electrocardiogram (CTG-STAN) and their combinations. Intermittent auscultation reduced the risk of emergency cesarean deliveries compared with other types of surveillance (IA v. CTG: RR 0.83, 95% CI 0.72–0.97; IA v. CTG-FBS: RR 0.71, 95% CI 0.63–0.80; IA v.CTG-lactate: RR 0.77, 95% CI 0.64–0.92; IA v. FPO-CTG: RR 0.75, 95% CI 0.65–0.87; IA v.FPO-CTG-FBS: RR 0.81, 95% CI 0.67–0.99; cCTG-FBS v. IA: RR 1.21, 95% CI 1.04–1.42), except STAN-CTG-FBS (RR 1.17, 95% CI 0.98–1.40). There was a similar reduction observed for emergency cesarean deliveries for fetal distress. None of the evaluated methods was associated with a reduced risk of neonatal acidemia, neonatal unit admissions, Apgar scores or perinatal death. INTERPRETATION: Compared with other types of fetal surveillance, intermittent auscultation seems to reduce emergency cesarean deliveries in labour without increasing adverse neonatal and maternal outcomes.
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Affiliation(s)
- Bassel H Al Wattar
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Emma Honess
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Sarah Bunnewell
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Nicky J Welton
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Siobhan Quenby
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Khalid S Khan
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Javier Zamora
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
| | - Shakila Thangaratinam
- Warwick Medical School (Al Wattar, Honess, Bunnewell, Quenby), University of Warwick, Coventry, UK; Reproductive Medicine Unit (Al Wattar), University College London Hospitals, London, UK; Population Health Sciences (Welton), Bristol Medical School, University of Bristol, Bristol, UK; University Hospital of Coventry and Warwickshire (Quenby), Coventry, UK; Department of Preventive Medicine and Public Health (Khan), University of Granada, Granada, Spain; Clinical Biostatistics Unit, Ramon y Cajal Hospital (IRYCIS) and CIBER Epidemiology and Public Health (Khan, Zamora), Madrid, Spain; CIBER of Epidemiology and Public Health (CIBERESP) (Zamora), Madrid, Spain; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research (Thangaratinam), University of Birmingham; Birmingham Women's and Children's NHS Foundation Trust (Thangaratinam), Birmingham, UK
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