pregnancy:
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged >=18 years old, 37 to 42 weeks pregnant; 2. First single fetal position; 3. Voluntary breastfeeding; 4. Agree to participate in this study and sign an informed consent form;
Exclusion criteria
Exclusion criteria: 1. Intrauterine stillbirth; 2. Pelvic abnormalities and other contraindications for vaginal delivery; 3. Clotting dysfunction; 4. systemic infection (such as sepsis); 5. History of disease in the spine or spinal canal (such as spinal trauma or surgery, lumps in the vertebral tube); 6. History of central nervous system infectious diseases (such as poliomyelitis, meningitis, encephalitis); 7. Skin or soft tissue infection at the indwelling needle site; 8. Cognitive dysfunction and mental and psychological abnormalities; 9. Epidural block and other epidural block or other related drug contraindications; 10. Have taken other test drugs within 1 month before enrollment in the study or participating in other clinical studies; 11. Those who do not cooperate, are unable to contact or refuse to follow them after discharge from hospital; 12. Those who are considered by clinicians that are not suitable to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the level of prolactin; | — |
Countries
China
Contacts
The First Affiliated Hospital of Harbin Medical University