-
American Journal of Obstetrics and... Mar 2024Perineal trauma after vaginal birth is common, with approximately 9 of 10 women being affected. Second-degree perineal tears are twice as likely to occur in primiparous... (Review)
Review
Perineal trauma after vaginal birth is common, with approximately 9 of 10 women being affected. Second-degree perineal tears are twice as likely to occur in primiparous births, with a incidence of 40%. The incidence of obstetrical anal sphincter injury is approximately 3%, with a significantly higher rate in primiparous than in multiparous women (6% vs 2%). Obstetrical anal sphincter injury is a significant risk factor for the development of anal incontinence, with approximately 10% of women developing symptoms within a year following vaginal birth. Obstetrical anal sphincter injuries have significant medicolegal implications and contribute greatly to healthcare costs. For example, in 2013 and 2014, the economic burden of obstetrical anal sphincter injuries in the United Kingdom ranged between £3.7 million (with assisted vaginal birth) and £9.8 million (with spontaneous vaginal birth). In the United States, complications associated with trauma to the perineum incurred costs of approximately $83 million between 2007 and 2011. It is therefore crucial to focus on improvements in clinical care to reduce this risk and minimize the development of perineal trauma, particularly obstetrical anal sphincter injuries. Identification of risk factors allows modification of obstetrical practice with the aim of reducing the rate of perineal trauma and its attendant associated morbidity. Risk factors associated with second-degree perineal trauma include increased fetal birthweight, operative vaginal birth, prolonged second stage of labor, maternal birth position, and advanced maternal age. With obstetrical anal sphincter injury, risk factors include induction of labor, augmentation of labor, epidural, increased fetal birthweight, fetal malposition (occiput posterior), midline episiotomy, operative vaginal birth, Asian ethnicity, and primiparity. Obstetrical practice can be modified both antenatally and intrapartum. The evidence suggests that in the antenatal period, perineal massage can be commenced in the third trimester of pregnancy to increase muscle elasticity and allow stretching of the perineum during birth, thereby reducing the risk of tearing or need for episiotomy. With regard to the intrapartum period, there is a growing body of evidence from the United Kingdom, Norway, and Denmark suggesting that the implementation of quality improvement initiatives including the training of clinicians in manual perineal protection and mediolateral episiotomy can reduce the incidence of obstetrical anal sphincter injury. With episiotomy, the International Federation of Gynecology and Obstetrics recommends restrictive rather than routine use of episiotomy. This is particularly the case with unassisted vaginal births. However, there is a role for episiotomy, specifically mediolateral or lateral, with assisted vaginal births. This is specifically the case with nulliparous vacuum and forceps births, given that the use of mediolateral or lateral episiotomy has been shown to significantly reduce the incidence of obstetrical anal sphincter injury in these groups by 43% and 68%, respectively. However, the complications associated with episiotomy including perineal pain, dyspareunia, and sexual dysfunction should be acknowledged. Despite considerable research, interventions for reducing the risk of perineal trauma remain a subject of controversy. In this review article, we present the available data on the prevention of perineal trauma by describing the risk factors associated with perineal trauma and interventions that can be implemented to prevent perineal trauma, in particular obstetrical anal sphincter injury.
Topics: Pregnancy; Female; Humans; Birth Weight; Episiotomy; Parity; Parturition; Lacerations; Anal Canal; Risk Factors; Perineum; Obstetric Labor Complications
PubMed: 37635056
DOI: 10.1016/j.ajog.2022.06.021 -
Proceedings of the National Academy of... Sep 2023
Topics: Infant, Newborn; Pregnancy; Female; Humans; Serotonin; Premature Birth; Parturition
PubMed: 37651446
DOI: 10.1073/pnas.2312515120 -
NTM Dec 2023
Topics: Pregnancy; Female; Humans; Metals; Parturition
PubMed: 37318552
DOI: 10.1007/s00048-023-00360-3 -
BMJ (Clinical Research Ed.) Aug 2023To systematically review the proportions of infants with early exposure to antenatal corticosteroids but born at term or late preterm, and short term and long term... (Meta-Analysis)
Meta-Analysis
The proportions of term or late preterm births after exposure to early antenatal corticosteroids, and outcomes: systematic review and meta-analysis of 1.6 million infants.
OBJECTIVE
To systematically review the proportions of infants with early exposure to antenatal corticosteroids but born at term or late preterm, and short term and long term outcomes.
DESIGN
Systematic review and meta-analyses.
DATA SOURCES
Eight databases searched from 1 January 2000 to 1 February 2023, reflecting recent perinatal care, and references of screened articles.
ELIGIBILITY CRITERIA FOR SELECTING STUDIES
Randomised controlled trials and population based cohort studies with data on infants with early exposure to antenatal corticosteroids (<34 weeks) but born at term (≥37 weeks), late preterm (34-36 weeks), or term/late preterm combined.
DATA EXTRACTION AND SYNTHESIS
Two reviewers independently screened titles, abstracts, and full text articles and assessed risk of bias (Cochrane risk of bias tool for randomised controlled trials and Newcastle-Ottawa scale for population based studies). Reviewers extracted data on populations, exposure to antenatal corticosteroids, and outcomes. The authors analysed randomised and cohort data separately, using random effects meta-analyses.
MAIN OUTCOME MEASURES
The primary outcome was the proportion of infants with early exposure to antenatal corticosteroids but born at term. Secondary outcomes included the proportions of infants born late preterm or term/late preterm combined after early exposure to antenatal corticosteroids and short term and long term outcomes versus non-exposure for the three gestational time points (term, late preterm, term/late preterm combined).
RESULTS
Of 14 799 records, the reviewers screened 8815 non-duplicate titles and abstracts and assessed 713 full text articles. Seven randomised controlled trials and 10 population based cohort studies (1.6 million infants total) were included. In randomised controlled trials and population based data, ∼40% of infants with early exposure to antenatal corticosteroids were born at term (low or very low certainty). Among children born at term, early exposure to antenatal corticosteroids versus no exposure was associated with increased risks of admission to neonatal intensive care (adjusted odds ratio 1.49, 95% confidence interval 1.19 to 1.86, one study, 5330 infants, very low certainty; unadjusted relative risk 1.69, 95% confidence interval 1.51 to 1.89, three studies, 1 176 022 infants, I=58%, τ=0.01, low certainty), intubation (unadjusted relative risk 2.59, 1.39 to 4.81, absolute effect 7 more per 1000, 95% confidence interval from 2 more to 16 more, one study, 8076 infants, very low certainty, one study, 8076 infants, very low certainty), reduced head circumference (adjusted mean difference -0.21, 95% confidence interval -0.29 to -0.13, one study, 183 325 infants, low certainty), and any long term neurodevelopmental or behavioural disorder in population based studies (eg, any neurodevelopmental or behavioural disorder in children born at term, adjusted hazard ratio 1.47, 95% confidence interval 1.36 to 1.60, one study, 641 487 children, low certainty).
CONCLUSIONS
About 40% of infants exposed to early antenatal corticosteroids were born at term, with associated adverse short term and long term outcomes (low or very low certainty), highlighting the need for caution when considering antenatal corticosteroids.
SYSTEMATIC REVIEW REGISTRATION
PROSPERO CRD42022360079.
Topics: Child; Infant, Newborn; Infant; Humans; Female; Pregnancy; Premature Birth; Infant, Premature; Adrenal Cortex Hormones; Glucocorticoids; Parturition
PubMed: 37532269
DOI: 10.1136/bmj-2023-076035 -
Irish Journal of Medical Science Apr 2024Migration due to environmental factors is an international crisis affecting many nations globally. Pregnant people are a vulnerable subgroup of migrants. (Review)
Review
BACKGROUND
Migration due to environmental factors is an international crisis affecting many nations globally. Pregnant people are a vulnerable subgroup of migrants.
AIM
This article explores the potential effects of environmental migration on pregnancy and aims to draw attention to this rising concern.
METHODS
Based on the study aim, a semi-structured literature review was performed. The following databases were searched: MEDLine (PubMed) and Google Scholar. The search was originally conducted on 31st January 2021 and repeated on 22nd September 2022.
RESULTS
Pregnant migrants are at increased risk of mental health disorders, congenital anomalies, preterm birth, and maternal mortality. Pregnancies exposed to natural disasters are at risk of low birth weight, preterm birth, hypertensive disorders, gestational diabetes, and mental health morbidity. Along with the health risks, there are additional complex social factors affecting healthcare engagement in this population.
CONCLUSION
Maternity healthcare providers are likely to provide care for environmental migrants over the coming years. Environmental disasters and migration as individual factors have complex effects on perinatal health, and environmental migrants may be at risk of specific perinatal complications. Obstetricians and maternity healthcare workers should be aware of these challenges and appreciate the individualised and specialised care that these patients require.
Topics: Pregnancy; Humans; Infant, Newborn; Female; Premature Birth; Transients and Migrants; Infant, Low Birth Weight; Parturition
PubMed: 37715828
DOI: 10.1007/s11845-023-03481-9 -
Women and Birth : Journal of the... Sep 2023When midwives offer birth assistance at home birth and free-standing birth centres, they must adapt their skill set. Currently, there are no comprehensive insights on... (Review)
Review
PROBLEM
When midwives offer birth assistance at home birth and free-standing birth centres, they must adapt their skill set. Currently, there are no comprehensive insights on the skills and knowledge that midwives need to work in those settings.
BACKGROUND
Midwifery care at home birth and in free-standing birth centres requires context specific skills, including the ability to offer low-intervention care for women who choose physiological birth in these settings.
AIM
To synthesise existing qualitative research that describes the skills and knowledge of certified midwives at home births and free-standing birth centres.
STUDY DESIGN
We conducted a systematic review that included searches on 5 databases, author runs, citation tracking, journal searches, and reference checking. Meta-ethnographic techniques of reciprocal translation were used to interpret the data set, and a line of argument synthesis was developed.
RESULTS
The search identified 13 papers, twelve papers from seven countries, and one paper that included five Nordic countries. Three overarching themes and seven sub-themes were developed: 'Building trustworthy connections,' 'Midwife as instrument,' and 'Creating an environment conducive to birth.'
CONCLUSION
The findings highlight that midwives integrated their sensorial experiences with their clinical knowledge of anatomy and physiology to care for women at home birth and in free-standing birth centres. The interactive relationship between midwives and women is at the core of creating an environment that supports physiological birth while integrating the lived experience of labouring women. Further research is needed to elicit how midwives develop these proficiencies.
Topics: Pregnancy; Infant, Newborn; Female; Humans; Midwifery; Home Childbirth; Birthing Centers; Parturition; Anthropology, Cultural; Qualitative Research
PubMed: 37037696
DOI: 10.1016/j.wombi.2023.03.010 -
Taiwanese Journal of Obstetrics &... Nov 2023
Topics: Pregnancy; Female; Humans; Pregnant Women; Diabetes Mellitus; Parturition; Pregnancy Outcome
PubMed: 38008492
DOI: 10.1016/j.tjog.2023.09.012 -
Frontiers in Endocrinology 2023There is increasing evidence of a strong association between intrauterine growth and subsequent development of chronic disease in adult life. Birth size and growth... (Review)
Review
There is increasing evidence of a strong association between intrauterine growth and subsequent development of chronic disease in adult life. Birth size and growth trajectory have been demonstrated to have an impact on cardio-metabolic health, both in childhood and adult life. Hence, careful observation of the children's growth pattern, starting from the intrauterine period and the first years of life, should be emphasized to detect the possible onset of cardio-metabolic sequelae. This allows to intervene on them as soon as they are detected, first of all through lifestyle interventions, whose efficacy seems to be higher when they are started early. Recent papers suggest that prematurity may constitute an independent risk factor for the development of cardiovascular disease and metabolic syndrome, regardless of birth weight. The purpose of the present review is to examine and summarize the available knowledge about the dynamic association between intrauterine and postnatal growth and cardio-metabolic risk, from childhood to adulthood.
Topics: Infant, Newborn; Pregnancy; Child; Adult; Female; Humans; Adolescent; Young Adult; Parturition; Birth Weight; Infant, Premature; Risk Factors; Metabolic Syndrome
PubMed: 37342257
DOI: 10.3389/fendo.2023.1187261 -
Journal of Perinatal Medicine Jul 2023
Topics: Pregnancy; Female; Humans; Stem Cells; Parturition; Prenatal Diagnosis
PubMed: 36958941
DOI: 10.1515/jpm-2022-0583 -
PLoS Medicine Jul 2023Women with psychiatric diagnoses are at increased risk of preterm birth (PTB), with potential life-long impact on offspring health. Less is known about the risk of PTB...
BACKGROUND
Women with psychiatric diagnoses are at increased risk of preterm birth (PTB), with potential life-long impact on offspring health. Less is known about the risk of PTB in offspring of fathers with psychiatric diagnoses, and for couples where both parents were diagnosed. In a nationwide birth cohort, we examined the association between psychiatric history in fathers, mothers, and both parents and gestational age.
METHODS AND FINDINGS
We included all infants live-born to Nordic parents in 1997 to 2016 in Sweden. Psychiatric diagnoses were obtained from the National Patient Register. Data on gestational age were retrieved from the Medical Birth Register. Associations between parental psychiatric history and PTB were quantified by relative risk (RR) and two-sided 95% confidence intervals (CIs) from log-binomial regressions, by psychiatric disorders overall and by diagnostic categories. We extended the analysis beyond PTB by calculating risks over the whole distribution of gestational age, including "early term" (37 to 38 weeks). Among the 1,488,920 infants born throughout the study period, 1,268,507 were born to parents without a psychiatric diagnosis, of whom 73,094 (5.8%) were born preterm. 4,597 of 73,500 (6.3%) infants were born preterm to fathers with a psychiatric diagnosis, 8,917 of 122,611 (7.3%) infants were born preterm to mothers with a pscyhiatric diagnosis, and 2,026 of 24,302 (8.3%) infants were born preterm to both parents with a pscyhiatric diagnosis. We observed a shift towards earlier gestational age in offspring of parents with psychiatric history. The risks of PTB associated with paternal and maternal psychiatric diagnoses were similar for different psychiatric disorders. The risks for PTB were estimated at RR 1.12 (95% CI [1.08, 1.15] p < 0.001) for paternal diagnoses, at RR 1.31 (95% CI [1.28, 1.34] p < 0.001) for maternal diagnoses, and at RR 1.52 (95% CI [1.46, 1.59] p < 0.001) when both parents were diagnosed with any psychiatric disorder, compared to when neither parent had a psychiatric diagnosis. Stress-related disorders were associated with the highest risks of PTB with corresponding RRs estimated at 1.23 (95% CI [1.16, 1.31] p < 0.001) for a psychiatry history in fathers, at 1.47 (95% CI [1.42, 1.53] p < 0.001) for mothers, and at 1.90 (95% CI [1.64, 2.20] p < 0.001) for both parents. The risks for early term were similar to PTB. Co-occurring diagnoses from different diagnostic categories increased risk; for fathers: RR 1.10 (95% CI [1.07, 1.13] p < 0.001), 1.15 (95% CI [1.09, 1.21] p < 0.001), and 1.33 (95% CI [1.23, 1.43] p < 0.001), for diagnoses in 1, 2, and ≥3 categories; for mothers: RR 1.25 (95% CI [1.22, 1.28] p < 0.001), 1.39 (95% CI [1.34, 1.44] p < 0.001) and 1.65 (95% CI [1.56, 1.74] p < 0.001). Despite the large sample size, statistical precision was limited in subgroups, mainly where both parents had specific psychiatric subtypes. Pathophysiology and genetics underlying different psychiatric diagnoses can be heterogeneous.
CONCLUSIONS
Paternal and maternal psychiatric history were associated with a shift to earlier gestational age and increased risk of births before full term. The risk consistently increased when fathers had a positive history of different psychiatric disorders, increased further when mothers were diagnosed and was highest when both parents were diagnosed.
Topics: Male; Infant; Infant, Newborn; Humans; Female; Sweden; Premature Birth; Term Birth; Fathers; Mothers; Risk Factors
PubMed: 37471291
DOI: 10.1371/journal.pmed.1004256