pregnant
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Pregnant women scheduled for spontaneous delivery, non-pregnant patients scheduled for gynecological surgery, aged =18 years, ASA class I-II, weighing 50-120 kg, height =150cm, maternal gestational age =37 weeks.
Exclusion criteria
Exclusion criteria: 1. Patients with gastrointestinal surgery, anatomical abnormalities of the upper gastrointestinal tract, and bradycardias syndrome 2. Patients with gastroesophageal reflux, pyloric obstruction, gastrointestinal ulcer, gastric fundoesophageal varices, and liver cirrhosis 3, Multiple pregnancy, pregnancy-induced hypertension, ICP, pregnancy complicated with diabetes, pregnancy complicated with pancreatitis
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| gastric antrum area; | — |
Secondary
| Measure | Time frame |
|---|---|
| Progestogen;incidence of nausea and vomiting;Tension of the lower esophageal sphincter; | — |
Countries
China
Contacts
West China Second Hospital, Sichuan University