Pain in childbirth
Conditions
Interventions
Anterior occipital position group:Intrapartum three-dimensional ultrasound examination:The parturients will be divided into 3 groups according to the relative relationship between fetal head and pelv
transverse occipital position group:Intrapartum three-dimensional ultrasound examination:The parturients will be divided into 3 groups according to the relative relationship between fetal head and pe
posterior occipital position group:Intrapartum three-dimensional ultrasound examination:The parturients will be divided into 3 groups according to the relative relationship between fetal head and pel
Control Group:Increase the load capacity for grouping
volume increase 20% group:Increase the load capacity for grouping
volume increase 50% group:Increase the load capacity for grouping
Control group:increaseing the concentration of local anesthetics and opioids
local anesthetic concentration increased group:increaseing the concentration of local anesthetics and opioids
opioid concentration increased group:increaseing the concentration of local anesthetics and opioids
Sponsors
Nanjing Medical University Changzhou Medical Center, Changzhou Maternal and Child Health Hospital
Eligibility
Sex/Gender
Female
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: This study included 300 full-term parturients in Changzhou MCH hospital who were selected for epidural labor analgesia from January to December in 2024,with the conditions: height 155-165cm, BMI 18-30, obstetrical bone and birth canal examination can be attempted delivery, recent obstetrical ultrasound suggested that fetal size is normal, good placental maturity , maternal intention of self-delivery.
Exclusion criteria
Exclusion criteria: (1) excluding those who can not cooperate with the analgesia operator, those whose fetus has been diagnosed as having developmental deformity or congenital disease during pregnancy, and those whose parturients have factors that may affect the evaluation of pain, such as mental retardation, early use of intravenous or oral analgesic drugs, mental diseases, etc. (2) excluding those who need a second puncture for the failure of epidural analgesia, those who have the symptoms of spinal anesthesia, local anesthesia poisoning or drug allergy. (3) excluding those who have abnormal development of uterus or birth canal. (4) to rule out amniotic fluid embolism, placental abruption and prolapse of umbilical cord. (5) to rule out non-occipital, occipital transverse and occipital posterior positions. (6) according to the judgment of the doctors in charge of the trial, conducting a trial may place the subject at increased risk or may not have access to sufficient trial data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The difference of pain relief rate (VAS score =3) between different groups;Differences in pain relief rates (VAS score =3) between groups ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Delivery outcome of parturient with different fetal head position;The proportion of women who need to be injected with a supplementary dose;Proportion of women who require a second dose of injection;The second stage time of labor in different position of fetal head; | — |
Countries
China
Contacts
Public ContactZhou Lei
Nanjing Medical University Changzhou Medical Center, Changzhou Maternal and Child Health Hospital
Outcome results
None listed