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Blood loss during Caesarean section has been measured in 121patients using a haemoglobin dilution method. The results havebeen analysed in an attempt to determine the importance on bloodloss of age, parity, previous Caesarean section, placental site,size of baby, length of operation, and surgical experience.The only statistically significant factors increasing bloodloss were (a) multipara undergoing their first Caesarean section(particularly emergency section) and (b) a low anterior placenta.Heavy blood loss, especially in patients with a low haemoglobin,was associated with an increased incidence of postoperativepyrexia. 相似文献
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