Original Research

Early elective delivery and vaginal birth after cesarean in rural US maternity hospitals


name here
Demetra Heinrich
1 MD, OBGYN resident

name here
Rachel I Vogel
2 PhD, Assistant Professor

name here
Katy Kozhimannil
3 PhD, Associate Professor *


* Katy Kozhimannil


1 University of Minnesota Medical School, Minneapolis, Minnesota, USA

2 Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA

3 University of Minnesota School of Public Health, Minneapolis, Minnesota, USA


15 November 2016 Volume 16 Issue 4


RECEIVED: 18 March 2016

REVISED: 23 August 2016

ACCEPTED: 29 August 2016


Heinrich D, Vogel RI, Kozhimannil K.  Early elective delivery and vaginal birth after cesarean in rural US maternity hospitals. Rural and Remote Health 2016; 16: 3956. https://doi.org/10.22605/RRH3956


© James Cook University 2016


Introduction: The purpose of this study was to describe policies on early elective delivery (EED) and vaginal birth after cesarean (VBAC) in rural US maternity hospitals and to measure whether hospital policies differ by staffing, facilities, or birth volume.
Methods: Data came from a telephone survey, conducted among all rural maternity hospitals in nine US states from November 2013 to March 2014, to report on EED and VBAC at the hospital level. The associations between EED and VBAC and hospital characteristics were analyzed using χ2 and Fisher's exact tests.
Results: Most rural maternal hospitals (70.1%) had a 'hard stop' EED policy, whereby elective delivery before 39 weeks gestation was prohibited. Less than half of the rural hospitals surveyed allowed VBACs (38.1%). Rural hospitals with a higher birth volume (p=0.001), with a dedicated obstetric operating room (p<0.001), and where obstetricians and certified nurse-midwives attended deliveries (p=0.010 and p=0.030, respectively) were more likely to allow VBAC deliveries. Hospitals where family physicians and general surgeons attended deliveries were less likely to allow VBAC deliveries (p=0.002 and p=0.040, respectively).
Conclusions: Most rural US maternity hospitals have a hard stop EED policy, consistent with evidence and guideline recommendations. Access to VBAC varies across rural settings, possibly owing to capacity limitations to provide this option. Further research is needed to determine whether and how best to safely implement national recommendations for EED and VBAC policies across a range of rural settings.

Key words: elective delivery, hospital policy, maternal and child health, rural obstetric care, USA, vaginal birth after cesarean delivery.

full article:


Approximately 15% of US obstetric deliveries occur in rural settings1. Obstetrician-gynecologists (OBGYNs) provide the majority of obstetric care in the country; however, they disproportionately practice in urban settings, resulting in disparities in maternity care access for patients in rural areas2,3. In 2010, 49% of all US counties (home to 10.1 million women or 8.2% of all women) lacked an OBGYN2. Because of this, other obstetric providers, such as certified nurse-midwives (CNMs), family physicians, and general surgeons contribute substantially to the rural obstetric workforce4.

Access to health care in rural areas is further complicated by the fact that people living in rural communities are more likely than urban residents to have low incomes, lack health insurance, or rely substantially on Medicaid and Medicare2. Women in rural areas travel longer distances to access a range of medical services, including obstetric care; indeed, less than half of rural women live within a 30-minute drive of a hospital offering perinatal services5. Among pregnant women, rates of prenatal care initiation in the first trimester of pregnancy (a widely recommended practice) are lower for rural women, compared with those in urban and suburban areas6. Closure of obstetric units in rural hospitals has accelerated in recent years, further raising concerns about access for rural women7. Low patient volume and staffing difficulties are among the most frequently cited reasons for closures of rural obstetric units8. A recent Canadian study highlighted that rural maternity services are struggling to remain open and documented an association between travel distance for maternity services and adverse outcomes including perinatal mortality, which is highest in communities that are greater than 4 hours from maternity services9. Women from rural and remote communities with no local access to maternity services have worse maternal and newborn outcomes than women from similar communities with local access to even limited obstetric services10.

In addition to concerns related to obstetric care access for rural women, there are questions about the quality of obstetric care in rural areas11,12. One key metric of quality obstetric care is the use of early elective deliveries (EED). An EED is childbirth that occurs (via cesarean or labor induction) prior to 39 weeks completed gestation, in the absence of a medical indication. For more than 30 years, the American College of Obstetricians and Gynecologists (ACOG) and the Society of Maternal-Fetal Medicine have advocated delaying deliveries until 39 weeks of gestation or beyond in the absence of any medical indications13. At the same time, rates of cesarean delivery and labor inductions have increased dramatically in the USA, with labor induction rates more than doubling from 9.5% in 1990 to 22.1% in 200412. Although it is not clear what proportion of these inductions are elective, the overall rate of induction of labor is rising faster than the rate of pregnancy complications that would likely necessitate a medically indicated induction14-16.

Medical indications in pregnancy for which there is evidence to support delivery between 37 and 39 weeks include pre-eclampsia, gestational or chronic hypertension, oligohydramnios, placenta previa, multiple gestations, premature rupture of membranes, and fetal congenital malformations17. Medical conditions such as suspected macrosomia, well-controlled gestational diabetes, and documented pulmonary maturity do not require early-term delivery13. In these cases, early delivery may cause more harm than good; there are greater reported rates of morbidity and mortality among neonates and infants delivered during the early-term period compared with those delivered at terms of 39 and 40 weeks13,18. Higher rates of respiratory distress syndrome, transient tachypnea of the newborn, pneumonia, and surfactant and oscillator use were reported for infants delivered at 37 weeks of gestation compared with those delivered at 39 weeks of gestation13,19. Professional societies and hospitals across the USA have attempted to adopt policies to decrease the EED, and successful policies - notably, those that employ a 'hard stop', forbidding all elective deliveries before 39 weeks - have been shown to improve neonatal outcomes20-22.

Another aspect of the quality of obstetric care that is relevant for rural women is access to vaginal birth after cesarean (VBAC). The cesarean delivery rate in the USA has dramatically increased from 5% in 1970 to 23.5% in 1991 to 32.8% in 201123-25. The rise in cesarean delivery rates is attributable to both an increase in primary (first-time) cesareans and a decline in attempted trials of labor after cesarean (TOLAC)26. Of US women who require an initial cesarean delivery, more than 90% will have a subsequent cesarean26. In 1999, ACOG issued guidelines recommending that resources for emergency cesarean delivery (ie obstetric pediatric, anesthetic, and operating room staff) should be 'immediately available' for women undergoing TOLAC27. This recommendation presented a challenge in rural settings, where higher-acuity staff and resources are more limited28,29. In 2010, the National Institutes of Health (NIH) examined safety and outcomes of VBAC and factors associated with declining rates of VBAC30. The NIH recognized that attempting a VBAC was a reasonable option for many women with a prior cesarean delivery and called on clinicians and healthcare delivery systems to facilitate greater access to TOLAC30. More recently, Healthy People 2020 goals have focused on reducing by 10% the overall rate of repeat cesarean deliveries from 90.8% in 2007 to 81.7% by 202031.

Whether women in rural areas have access to obstetric care that is consistent with recent recommendations regarding EED and VBAC is not known. The purpose of this study was to describe EED and VBAC policies in rural maternity hospitals in the USA, and to measure whether these policies differed by staffing, facilities, or birth volume.



A cross-sectional telephone survey of 306 rural maternity hospitals in the USA was conducted from November 2013 to March 2014. Detailed methods are published elsewhere4. Rural areas were defined based on the Office of Management and Budget non-metropolitan county definition. Briefly, a telephone survey of rural hospitals with obstetric units was conducted in nine states: Colorado, Iowa, Kentucky, New York, North Carolina, Oregon, Vermont, Washington, and Wisconsin. A total of 263 hospitals (86%) responded to the survey, with the majority of the survey respondents (95%) having a managerial role in the obstetrics or women's health department (eg director or obstetrical nurse manager)4. This survey was conducted by the University of Minnesota Rural Health Research Center and fielded by the Office of Measurement Services at the University of Minnesota4. A subset of these survey data was used to examine EED and VBAC among surveyed rural hospitals given that these are two obstetrical quality care markers for which policy can be implemented to influence practice, consistent with clinical evidence.


Three questions within the survey specifically addressed EED. The first question was 'With regard to early elective delivery (induction or cesarean without medical indication between 37 and 39 weeks), has the hospital implemented either a hard stop policy (no early elective deliveries are allowed) or a soft stop policy (early elective deliveries only allowed in specific circumstances)?' The respondents could choose from 'yes, hard stop (no early elective deliveries are allowed)'; 'yes, soft stop (only allowed in specific circumstances)'; 'no, neither one'; and 'don't know'. The second question was 'Does the hospital track its early elective delivery rate?' The respondents could choose from 'yes', 'no' and 'don't know'. If respondents answered 'yes' to the second question, then, 'What is the early elective delivery rate for the current year?' was asked.

One question within the survey related to VBACs: 'Does the hospital allow vaginal birth after cesarean (VBAC) (eg trial of labor after previous cesarean)?' The respondents could then answer 'yes', 'no' or 'don't know'.

Several key hospital characteristics were considered. Annual birth volume was defined using the self-reported hospital data and categorized as low (<110), medium (111-240), medium-high (241-460) and high (>460). Survey respondents were asked about the types of provider performing obstetric services in their hospitals, and indicator variables for the presence of the following clinician types: OBGYNs, family physicians, CNMs, and general surgeons. Indicators for the most common combinations of clinicians were also included: OBGYNs without family physicians, OBGYNs and family physicians, and family physicians without OBGYNs. Finally, the type of operating room (OR) available for deliveries was reported, and then hospitals were categorized as having a dedicated obstetric OR, a general OR or both.


To determine the association between each outcome (EED and VBAC policies) and hospital characteristics (including birth volume, staffing, and OR facilities) Chi-squared and Fisher's exact tests were conducted as appropriate. Analyses were performed using Statistical Analytical Software v9.3 (SAS Institute; http://www.sas.com) and p values <0.05 were considered statistically significant.

Ethics approval

This research was approved by the University of Minnesota Institutional Review Board (ID 1209S20781).


Descriptive information

Participating rural hospitals were split almost evenly across birth volume categories (Table 1). Most hospitals had obstetricians (OBGYNs) attending births (76.6%) and just over half of the hospitals had family physicians attending births (55.3%). Smaller proportions had CNMs (31.6%) and general surgeons (23.4%) attending births. Hospitals in this survey had a combination of clinicians attending births with full details described elsewhere32, and the most common combinations of providers were analyzed (Tables 1-3). A total of 44.7% of hospitals had OBGYNs without family physicians attending deliveries, 23% had family physicians without OBGYNs, and 32.4% had both family physicians and OBGYNs. Over half (55.3%) of the hospitals surveyed had fewer than five clinicians providing obstetric services at their hospital. Most hospitals had a general OR only (58.2%), with only 39.3% of rural hospitals having a dedicated obstetric OR.

Table 1: Hospital birth volume and practitioner characteristics (n=244)

Early elective delivery policies by hospital birth volume and staffing

At the time of the survey, most hospitals had an EED policy in place (89.8%), with the majority having a hard stop policy (70.1%). This means that induction or cesarean without medical indication prior to 39 weeks gestation were prohibited at most hospitals. The medium-high birth volume hospitals were most likely to have a hard stop policy (75.3%). The lowest birth volume category of hospitals had the highest percentage of hospitals with no EED policy (15.9%; Table 2). When comparing hospital staffing and type of EED policy, hospitals with family physicians attending deliveries were more likely to have a hard stop policy than hospitals that did not have family physicians attending deliveries (76.3% vs 62.4%; p=0.05). There were no associations between EED policy type and delivery by obstetricians, CNMs, general surgeons, or a combination of providers. Hospitals with more providers attending deliveries were more likely to have a hard stop policy than those with fewer providers, although this difference was not statistically significant at conventional levels (p=0.07). Finally, hospitals that reported tracking their EED rates were more likely to have a hard stop policy in place (72.6%) than hospitals that did not track (38.9%; p<0.0001). The majority of hospitals (72.7%) reported their EED rates as 0% with very little variation in this outcome, and so the rates were not included in the analyses.

Table 2: Comparison of early elective delivery policy by hospital birth volume and staffing

Allowance of vaginal birth after cesarean by hospital birth volume and staffing

Less than half of the rural hospitals surveyed allowed VBAC deliveries (38.1%). Rural hospitals with a higher birth volume were more likely to allow VBAC deliveries (p=0.001; Table 3). The allowance of VBAC deliveries differed significantly by staffing. Hospitals where obstetricians and CNMs attended deliveries were more likely to allow VBAC deliveries than hospitals without these types of clinicians (p=0.01 and p=0.03, respectively). Hospitals where family physicians and general surgeons attended deliveries were less likely to allow VBAC deliveries (p=0.002 and p=0.04, respectively). When analyzing combinations of providers, hospitals with OBGYNs were again more likely than those with family physicians to offer VBAC (p=0.003). There was no difference in VBAC allowance when looking at number of providers per hospital (p=0.18). Also, hospitals with a dedicated obstetric OR were more likely to allow VBAC deliveries (53.1%) compared to those with a general OR (28.2%; p=0.0003).

Table 3: Comparison of allowance of vaginal birth after cesarean by hospital birth volume and staffing


This study sought to describe EEDs and VBACs as they differ by staffing, facilities, and birth volume in rural hospitals in the USA. VBAC and EED are distinct, and hospital policies governing their use may depend on different factors related to hospital capacity and workforce, but both VBAC and EED are cornerstones of current quality improvement efforts in maternity care, and post particular challenges in rural settings. Consistent with evidence-based care and professional guidelines20-22, most rural hospitals in this study had an EED policy, and the vast majority had a hard stop policy prohibiting elective deliveries before 39 weeks gestation. There were some important, detectable differences in EED policy across rural hospitals. Hospitals with family physicians attending deliveries were more likely to have a hard stop policy than hospitals that did not have family physicians, and hospitals that reported tracking their EED rates were also more likely to have a hard stop policy in place.

Policy differences across rural hospitals are important, given the differences in morbidity and mortality amongst infants at 37 weeks versus 39 weeks that have been demonstrated in rigorous, well-controlled studies13,18,19,22. However, these differences may occur as a result of the variability across rural maternity hospitals, in terms of staffing, facilities, and capacity. Implementing a hard-stop EED policy in rural hospitals may pose unique challenges given the considerably greater distance patients and providers need to travel to reach the hospital and greater poverty in rural areas, compared with urban areas2,5. Most of the prior research on EED policies focused on successes in urban contexts21, which may not be generalizable to rural areas, and future research may explore the implementation process for EED policies in rural hospitals. Efforts to promote EED policies have now extended to payment decisions, with at least one state Medicaid agency prohibiting reimbursement for EED before 39 weeks gestation13,22. Such a policy is intended to hold the healthcare provider, hospital, and patient accountable to help prevent EEDs, but may create distinct challenges for rural hospitals, where a greater proportion of births are Medicaid-funded1.

This study found that if a rural hospital has family physicians attending births, they are more likely to have a hard stop EED policy in place. Rural hospitals in this survey with a lower volume of births were more likely to have family physicians attending deliveries4. This result was unexpected given that the lower birth volume hospitals where family physicians attend births may have more limited resources and capacity for policy change. However, these results imply the smaller scale may be an advantage in adopting a policy change that consists of a non-intervention (as opposed to a policy requiring greater use of a procedure). In this case, in low-volume settings, there may be fewer obstetric care providers, potentially easing the burden of provider resistance33; in a hospital with more deliveries and therefore more obstetric unit staff, it may be more difficult to implement policy change. Although rural communities face a number of challenges, smaller volume size could be an advantage for obtaining buy-in and assent for changes to clinical management guidelines and hospital policies.

Rural hospitals with higher birth volume, those with obstetricians and CNMs, and those with a dedicated obstetric OR were all statistically significantly more likely to allow VBAC deliveries. Those rural hospitals where family physicians and general surgeons delivered babies were statistically significantly less likely to allow VBACs. These findings may all flow from a relationship between hospital birth volume, resources and staffing, as they relate to recommendations for safely offering VBAC27. Professional guidelines on the use of VBAC require hospitals to have dedicated OR staff, anesthesia, and pediatrics immediately available for an emergency cesarean, which some low volume hospitals in rural areas may be unable to consistently provide. Because of this, in some smaller rural hospitals, TOLAC is no longer offered27. Enforcement of VBAC guidelines may limit women's access to TOLAC in rural areas, but the guidelines are based on expert opinion regarding patient safety for women with a prior cesarean. The findings reflect the broader literature, indicating that some rural hospitals just do not have the patient volume, facilities, or staff resources to sustain a dedicated OR, dedicated anesthesia, and dedicated OR staff around the clock, every day11.

The 2010 NIH consensus statement on VBAC does not clearly identify or discuss geographic disparities in access to TOLAC30, nor has the literature explored the crucial balance between patient safety and ensuring access to maternity care for women in rural areas2. To date, published findings on the safety of TOLAC draw on data from primarily urban teaching hospitals, settings that have the patient volume and resources to ensure capacity of performing immediate emergency cesarean deliveries30. While rapid availability of cesarean delivery for women undergoing TOLAC is clearly justified, the specific parameters of 'immediate availability' allow little flexibility for rural clinicians and hospitals, and comparative data examining in detail the effects of 'decision to incision' timing in rural contexts are not available to inform decisions34. In fact, the American Academy of Family Physicians guidelines differ from those issued by ACOG, stating that TOLAC should not be restricted only to facilities with available surgical teams present throughout labor because there is no evidence that these additional resources result in improved outcomes35. At the same time, it is clinically appropriate that a management plan for uterine rupture and other potential emergencies requiring cesarean section should be documented for each woman undergoing TOLAC35. More research is needed in rural contexts to inform both hospital policies and patient decisions about VBAC.

Women living in rural areas where VBAC is not offered face repeat cesarean as a near certainty, and the health risks of the procedure increase substantially for subsequent cesareans36. The only viable alternative for a rural woman seeking TOLAC would be to travel, potentially great distances or across state lines, to seek care in a facility that offers VBAC, which may require substantial personal, financial, and social resources and result in socioeconomic disparities in access. Pregnant women who live in rural areas and have had a prior cesarean face limited options, and a dearth of information to fully inform their decisions. They also receive care from a range of different types of clinicians, whose professional guidelines differ with respect to VBAC. There is a need for rural-specific discussions among the professional associations representing the clinicians who provider maternity care in rural areas (OBGYNs, midwives, family physicians) to establish consensus regarding the risks and benefits of VBAC in low-volume and rural areas. Decision aids, including internet-based models, have been successfully employed, and could be tailored to address the particular concerns of rural women and clinicians37.

This study presents the first rural-specific data on hospital policies regarding EED and VBAC, two areas of focus of recent maternity care quality efforts, but it is not without limitations. Results were based on a telephone survey to a single responder, and there may be variability across hospitals in the respondent's knowledge of the hospital's obstetrical policies and practices. The specific content of each hospital's EED and VBAC policies was not assessed in the survey, so the authors were not able to assess the language used or the enforcement mechanisms that may have been specified by particular hospitals. Future qualitative work may uncover more granular information about policy formulation and content. Information is self-reported by hospitals, and thus may be subject to social desirability bias, which, in this case, would have biased results toward the null hypothesis if all respondents were influenced by similar norms. The survey data did not include information on planned versus unplanned VBACs, which would be an interesting measure to analyze in rural contexts. While hospital EED rates were collected, the majority of the hospitals reported 0% so there is very little variation in this outcome. Given the small number of non-zero responses, the analysis of this rate as an outcome was not conducted. Rural areas are diverse, and rural hospitals vary widely across states and regions, and the results based on these nine states may not be fully generalizable to all rural areas of the USA. However, the response rate for this survey was very high (86%), and the rural hospitals surveyed in this study were similar to all rural hospitals with obstetric units as reported in the American Hospital Association Annual Survey4. While this analysis focused on policies, in an effort to inform hospital administration and leadership in quality improvement activities, future research should also examine actual clinical practices regarding EED and VBAC in rural communities.


This study examined policies for EED and VBAC in rural maternity hospitals in nine US states. Most rural hospitals had a hard stop policy, explicitly forbidding EED, consistent with national recommendations. VBAC access is limited in rural areas. Rural hospitals with higher birth volume, those with obstetricians and CNMs, and those with a dedicated obstetric OR were all more likely to allow VBAC deliveries. Where possible, feasible and safe, policies such as the hard stop policy for EEDs and VBAC allowance are encouraged to best serve rural women and to reflect evidence-based practices. Rural areas are unique as distance to delivery is associated with increased risk of poor outcomes, and the need for nearby access to high quality obstetric care has been well documented, particularly in Canada, but is relevant across rural settings internationally9,10 General guidelines and recommendations in obstetrics ought to account for variability in implementation capacity across rural maternity hospitals.


The authors acknowledge helpful input from Dr Kozhimannil's Rural Hospital Obstetric Advisory Group; the rural hospital survey respondents; the Office of Measurement Services at the University of Minnesota, for fielding the survey; and Michelle Casey, for her helpful review, insights and suggestions.


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