comparing the post partum hemorrhage based on hb and hct in women admitted in latent and active phase of labor

comparing the post partum hemorrhage based on hb and hct in women admitted in latent and active phase of labor    naghizadeh s [1] , sehati shafaei f [2] *, ghojazadeh m 3     received: 16 jul , 2013 accepted: 5 sep , 2013  abstract   background & aims : attention to admission time of women for delivery can prevent the majority of mother and neonate complications. one of the labor complications is postpartum hemorrhage. postpartum hemorrhage is an important etiology of mortality and morbidity of pregnant mothers. this study was done to compare the pph bases on the rate of hb and hct in women admitted in latent & active phase in taleghani hospital of tabriz.   materials & methods : in this descriptive and comparative study , 250 women with low risk pregnancy, single fetus and vertex presentation, that had been admitted in their latent phase (group 1) and 250 women who had similar characteristics, had been admitted in their active phase (group 2) in taleghani hospital. they were assessed and compared randomly. information recording form and check list were used for data collection. spss software (ver 13), t-test, chi -square and regression logistic tests were used to analyze the obtained data. p<0.05 was considered as the significant level.  results: the results showed that there is a significant difference in two groups of women about postpartum hemorrhage (p < 0.05). mean of hb and hct before discharge from hospital were respectively 10.8 ± 1.4 and 33.1 ± 3.9 in latent phase group and 11.6 ± 3.1 and 33.7 ± 4.8 in active phase group. pierson test showed that there is significant difference between 2 groups about hb (p <0 /007) and hct (p < 0.008). procedures were done for control of hemorrhage in 4th stage of labor was more in latent phase group than active phase but there was significant difference about uterus massage on abdomen(p=0.001).  conclusion: the results showed that the rate of hemorrhage based on hb and hct in women in latent phase were more than women admitted in active phase. therefore admissions of women in latent phase are increasing with complications and interference on mothers. it is suggested that pregnant women should be sufficiently instructed about prenatal care regarding the signs of the beginning of active labor and they had better refer to the hospital when in the active phase of labor in order to prevent complications which could be resulted from early admission.  key words: postpartum hemorrhage , latent phase, active phase, hb and hct     address: nursing and midwifery faculty, tabriz university of medical sciences, tabriz, iran.   tel: (+98) 4114796770   email: [email protected]  [1] department of midwifery, tabriz branch, islamic azad university, tabriz, iran  2 instructor and academic member of nursing and midwifery faculty, tabriz university of medical sciences, tabriz, iran. (corresponding author)*   3 phd in of physiology, assistant professor of medical faculty, tabriz university of medical sciences,tabriz, iran.