Clinical interventions and outcomes of One-to-One midwifery practice.
BACKGROUND
Changing Childbirth became policy for the maternity services in England in 1994 and remains policy. One-to-One midwifery was implemented to achieve the targets set. It was the first time such a service had been implemented in the Health Service. An evaluation was undertaken to compare its performance with conventional maternity care.


METHODS
This was a prospective comparative study of women receiving One-to-One care and women receiving the system of care that One-to-One replaced (conventional care) to compare achievement of continuity of carer and clinical outcomes. The evaluation took place in The Hammersmith Hospitals NHS Trust, the Queen Charlotte's and Hammersmith Hospitals. This was part of a larger study, which included the evaluation of women's responses, cost implications, and clinical standards and staff reactions. The participants were all those receiving One-to-One midwifery practice (728 women), which was confined to two postal districts, and all women receiving care in the system that One-to-One replaced, in two adjacent postal districts (675 women), and expecting to give birth between 15 August 1994 and 14 August 1995. Main outcome measures were achievement of continuity of care, rates of interventions in labour, length of labour, maternal and infant morbidity, and breastfeeding rates.


RESULTS
A high degree of continuity was achieved through the whole process of maternity care. One-to-One women saw fewer staff at each stage of their care, knew more of the staff who they did see, and had a high level of constant support in labour. One-to-One practice was associated with a significant reduction in the use of epidural anaesthesia (odds ratio (OR) 95 per cent confidence interval (CI) = 0.59 (0.44, 0.80)), with lower rates of episiotomy and perineal lacerations (OR 95 per cent CI = 0.70 (0.50, 0.98)), and with shorter second stage labour (median 40 min vs 48 min). There were no statistically significant differences in operative and assisted delivery or breastfeeding rates.


CONCLUSIONS
This study confirms that One-to-One midwifery practice can provide a high degree of continuity of carer, and is associated with a reduction in the rate of a number of interventions, without compromising safety of care. It should be extended locally and replicated in other services under continuing evaluation.
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The Centre for Midwifery Practice, Wolfson Institute of Health Sciences, Thames Valley University at Queen Charlotte's Hospital, London.
McCourt
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Beake
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Vail
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Hewison
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D000328:Adult; D003266:Continuity of Patient Care / Q000458:organization & administration; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D008297:Male; D008427:Maternal Health Services / Q000458:organization & administration*; D008880:Midwifery / Q000458:organization & administration*; D016294:Models, Nursing; D009721:Nurse Midwives / Q000458:organization & administration*; D009731:Nursing Audit; D015403:Nursing Evaluation Research; D009774:Obstetrics / Q000458:organization & administration; D017063:Outcome Assessment, Health Care; D018802:Patient-Centered Care / Q000458:organization & administration; D011321:Primary Nursing / Q000458:organization & administration*; D011446:Prospective Studies; D016526:Workload