***TASK***
the task is to simplify the input abstract of a biomedical literature

***INPUT***
the input is the abstract of a biomedical literature

***OUTPUT***
the output is the simplified abstract for the input abstract of a biomedical literature

***DOCUMENTATION***

***EXAMPLES***

Input: Three studies involving 1257 women met our inclusion criteria. Cord drainage reduced the length of the third stage of labour (mean difference (MD) -2.85 minutes, 95% confidence interval (CI) -4.04 to -1.66; three trials, 1257 women (heterogeneity: T² = 0.87; Chi²P=17.19, I² = 88%)) and reduced the average amount of blood loss (MD -77.00 ml, 95% CI -113.73 to -40.27; one trial, 200 women). No incidence of retained placenta at 30 minutes after birth was observed in the included studies, therefore, it was not possible to compare this outcome. The differences between the cord drainage and the control group were not statistically significant for postpartum haemorrhage or manual removal of the placenta. None of the included studies reported fetomaternal transfusion outcomes and there were no data relating to maternal pain or discomfort during the third stage of labour. There was a small reduction in the length of the third stage of labour and also in the amount of blood loss when cord drainage was applied compared with no cord drainage. The clinical importance of such observed statistically significant reductions, is open to debate. There is no clear difference in the need for manual removal of placenta, blood transfusion or the risk of postpartum haemorrhage. Due to small trials with medium risk of bias, the results should be interpreted with caution.
Output:

This review included three studies involving 1257 birthing women. The findings showed that placental cord drainage in the management of third stage of labour reduced the length of third stage of labour by a mean of about three minutes and reduced blood loss by average of 77 ml. There was no clear difference in the manual removal of placenta or the risk of postpartum haemorrhage or incidence of blood transfusion. The trials did not report on maternal pain or discomfort during the third stage of labour. Some of the outcomes were not reported in the same way in all trials, limiting the amount of information available for analysis. Other desired outcomes were either not reported or were not reported in an appropriate way for statistical analysis (e.g. placenta not delivered within 30 minutes after birth, maternal haemoglobin changes). Further investigation of the effect of placental cord drainage on maternal outcomes would be useful although it is not a priority area for maternity research.