Labor pain.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Mother's desire to vaginal delivery A single fetus with a view of the apex of the head Gestational age Between 37 to 41 weeks The regularity of the fetal heartbeat with a number of 120-160 beats per minute The mother's vital signs are normal having minimum reading and writing literacy Dilatation 4-5 cm Having at least 2 to 3 spontaneous uterine contractions lasting 40-45 seconds within ten minutes Having less than 4 vaginal deliveries Body mass index 20-30 kg/m2 The fit of the fetal head with the mother's pelvis based on clinical examination The estimated weight of the fetus 2500-4000 grams Proportionality of uterine height with gestational age in clinical examination The normality of the number of fetal movements according to the mother's report or the reaction of the result of the non stress test Mother's age between 18-35 years
Exclusion criteria
Exclusion criteria: The presence of medical and obstetrical problems in the current pregnancy Addiction to tobacco, drugs and alcohol drinks Height less than 145 cm The existence of any obstacles to vaginal delivery Existence of maternal or fetal risk factors The existence of contraindications for back massage (lumbar disc herniation, skin diseases, fever, etc.) The existence of contraindications to the use of Entonox (mother's inability to hold the mask, maxilla and facial fractures, impaired consciousness and intoxication, impaired oxygen supply, upper respiratory tract infection or respiratory disease, nasal deviation, chronic obstructive pulmonary disease, receiving large amounts of intravenous narcotics, vitamin B12 deficiency and mothers treated with vitamin B12, maxillofacial surgery in the last month, inner ear obstruction, fetal distress, unstable hemodynamic status, some heart diseases such as pulmonary hypertension, problematic airway, fullness of the mother's stomach and schizophrenia)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Labor pain. Timepoint: Measurement of pain at the beginning of the study (before the intervention) and in the dilation of 4-5, 6-7 and 8-9 cm during the intervention. Method of measurement: Visual analog scale (VAS). | — |
Secondary
| Measure | Time frame |
|---|---|
| The rate of changes in the mother's heart rate. Timepoint: Once before the intervention and then at 4-5, 6-7 and 8-9 cm dilation during the intervention. Method of measurement: Contec pulse oximetry model CMS5OD.;The amount of changes in the mother's blood oxygen saturation percentage. Timepoint: Once before the intervention and then at 4-5, 6-7 and 8-9 cm dilation during the intervention. Method of measurement: Contec pulse oximetry model CMS5OD. | — |
Countries
Iran (Islamic Republic of)
Contacts
Khoram-Abad University of Medical Sciences