KARACHI: Caesarean section is one of the most common surgeries in the world, with rates continuing to rise, particularly in high- and middle-income countries. Although it can save lives, caesarean section is often performed without medical need, putting women and their babies at-risk of short- and long-term health problems.
According to a new statement from the World Health Organization (WHO), there is need to focus on the needs of the patient, on a case by case basis, and discourages the practice of aiming for target ratesâ€.
Caesarean section may be necessary when vaginal delivery might pose a risk to the mother or baby – for example due to prolonged labour, foetal distress, or because the baby is presenting in an abnormal position. However, caesarean sections can cause significant complications, disability or death, particularly in settings that lack the facilities to conduct safe surgeries or treat potential complications.
Since 1985, the international healthcare community has considered the ideal rateâ€ for caesarean sections to be between 10% and 15%. New studies reveal that when caesarean section rates rise towards 10% across a population, the number of maternal and newborn deaths decreases. But when the rate goes above 10%, there is no evidence that mortality rates improve.
These conclusions highlight the value of caesarean section in saving the lives of mothers and newborns says Dr Marleen Temmerman, Director of WHO’s Department of Reproductive Health and Research. They also illustrate how important it is to ensure a caesarean section is provided to the women in need – and to not just focus on achieving any specific rate.â€
Across a population, the effects of caesarean section rates on maternal and newborn outcomes such as stillbirths or morbidities like birth asphyxia are still unknown. More research on the impact of caesarean section on women’s psychological and social well-being is still needed. Due to their increased cost, high rates of unnecessary caesarean sections can pull resources away from other services in overloaded and weak health systems.
The lack of a standardized internationally-accepted classification system to monitor and compare caesarean section rates in a consistent and action-oriented manner is one of the factors that has hindered a better understanding of this trend. WHO proposes adopting the Robson classification as an internationally applicable caesarean section classification system.
The Robson system classifies all women admitted for delivery into one of 10 groups based on characteristics that are easily identifiable, such as number of previous pregnancies, whether the baby comes head first, gestational age, previous uterine scars, number of babies and how labour started. Using this system would facilitate comparison and analysis of caesarean rates within and between different facilities and across countries and regions.
Information gathered in a standardized, uniform and reproducible way is critical for health care facilities as they seek to optimize the use of caesarean section and assess and improve the quality of care explains Dr Temmerman. We urge the healthcare community and decision-makers to reflect on these conclusions and put them into practice at the earliest opportunity.â€
The WHO Statement on Caesarean Section Rates is based on two studies carried out by the UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme for Research, Development and Research Training in Human Reproduction. This programme is the main instrument within the United Nations system for research in human reproduction, working within the Department of Reproductive Health and Research of the World Health Organization.
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