Evaluation of continuous support by dula midwife on labor process

INTERVENTION: Intervention group: continuous support by doula midwife during labor and delivery .doula midwife explained the delivery process and its progress for mothers by a close physical and eye contact with them, assured them and made them calm, led them and emphasized the relaxation, and put hot or cold bag on their back, belly or other body areas and applied massage upon the request.. CONDITION: labor care Method. PRIMARY OUTCOME: Delivery method. Timepoint: in the end of delivery. Method of measurement: observatio. Labor duration. Timepoint: from the moment of admission [active phase beginning 2‐3 houre and for the second and third stages separately from the beginning to the end of each stage. Method of measurement: vaginal exam and record. Pain severity. Timepoint: every 3 hour. Method of measurement: Visual analog pain scale. INCLUSION CRITERIA: all primiparous women with term , live and singleton fetus cephalic presentation and estimated fetal weight of 2500‐3400 g,