Study sample:
The convenience sample will be recruited randomly on the basic of odd number will have saline injection and even number will be given a placebo (Sterile water injection)
Setting:
Labor ward in Women's health center at Assiut university hospital
Study design:
Experimental Randomized control study
Sample size:
The sample size was calculated using the formula N= (Zα+Zβ)2 x 2p(1-p)÷d2 ,taking the level of significance as 5%, Zα=1.96 and power of the test as 80%, Zβ=0.84. p=0.113. A sample size of 165 in each group was calculated. Total of 330 women will be studied (165 in each arm) Inclusion criteria
* In labour (spontaneous or induced
* During first stageof labour
* Primary and multiparous women
* A term singleton pregnancy (between 37 + 0 and 41 weeks)
* Have a fetus in a cephalic presentation
* Experience back pain assessed by visual analogue scale VAS and Face pain analogue ( Warden V, Hurley AC, Volicer L.2003)
* Provide informed consent.
Exclusion criteria
* Multiple pregnancy
* Malpresentation (breech, transverse, shoulder)
* Previous CS
* Infection or inflammation at the injection sites or complications that could cause bleeding at injection site eg. Thrombocytopenia.
Study Tools:
1. Personal data questionnaire
2. Visual Analogue Scale and Face analogue scale
3. Satisfaction scale