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Ginecología y obstetricia de México

versão impressa ISSN 0300-9041


RAMIREZ FLORES, Daniel Alejandro et al. Robson index, c-section risk in a first level center in Mexico. Ginecol. obstet. Méx. [online]. 2023, vol.91, n.8, pp.570-580.  Epub 17-Nov-2023. ISSN 0300-9041.


To determine, according to the Robson Index, the caesarean section rate in patients attended, over a period of nine months, at the Maternal and Infant Research Centre of the Childbirth Studies Group.


Retrospective, cross-sectional, descriptive, single-centre study carried out in pregnant patients attended at the Maternal and Infant Research Centre of the Childbirth Study Group (CIMIGen) who terminated gestation by caesarean section and in whom the Robson index was used for classification. Study parameters: indications for caesarean section, risk of loss of fetal well-being, high labour progression, failure of labour induction, macrosomia, short inter-gestational period (less than 18 months).


We obtained 569 patients of whom 228 terminated pregnancy by caesarean section and 341 by delivery, representing a caesarean section rate of 39.9%. Applying Robson's classification method, the groups with the highest relative contribution to the overall caesarean section rate were: group 1 (17.62%), group 2, subdivided into its two categories: 2a with 19.38% and 2b 17.18%; and group 5.1 (22.91%) and group 5.2 (3.96%). The main indications for caesarean section were 1) risk of loss of fetal well-being (18.9%), 2) failure of labour to progress (16.7%), 3) failure of induction of labour (11.1%), 4) macrosomia (7.2%) and 5) short inter-gestational period (7.2%).


Robson's index pointed to groups 1, 2 and 5 as the largest contributors to the caesarean section rate at CIMIGen. This trend, groups 1 and 2 with high percentages, is also seen in other facilities in Mexico, which may indicate an obstetric care practice that needs to be reviewed. This is also seen in other countries, although the percentages are different but still considerable in groups 1, 2 and 5.

Palavras-chave : Robson Index; Cesarean section; Cesarean section rate; Cesarean absolute indications.

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