Gastric Emptying During Labor at Term: Non-inferiority Clinical Trial

Gastric Emptying of Maltodextrin Compared to Coffee With Milk and Orange Juice During Labor at Term: Non-inferiority Clinical Trial

This study evaluates the gastric emptying of pregnant woman at term who received one of the three solutions: maltodextrin, orange juice or coffee with milk.

Allocation in maltodextrin, orange juice or coffee with milk will be random using sealed envelopes. Gastric ultrasound will be used for estimating gastric volume by measuring antral area in right lateral decubiti. All solutions will have the same volume and total of calories.

Inclusion Criteria:

• Pregnancy at term
• Fasted with an emptying stomach (assessed by ultrasound)
• During Labor
• No diabetes, esophageal disease, obesity
• Not emergency
• High risk of need of general anesthesia

Exclusion Criteria:

• Vomiting before the end of the protocol
• Did not drink the whole solutions
• Ultrasound not performed for any reason