Comparison of Antrum Surface Between Women With Operative Hysteroscopy or Planned Caesarean Section

Gastric Ultrasound Before Planned Caesarean Section or Operative Hysteroscopy : How Much Pregnancy Changes Surface of Antrum of the Stomach ? Comparative Observational Study

Realization of a gastric ultrasound just before surgery, to measure the surface of antrum of stomach and compare if divergence sizes can be observed between women with a operative hysteroscopy and women with a planned caesarean section. To know if anaesthesia need to be adapted to the population.

Inclusion Criteria:

• Age between 18 and 40
• Membership of a national insurance scheme
• Written consent
• Physical status score or American Society of Anesthesiologists (ASA) score = 1 or 2
• Planned caesarean section or operative hysteroscopy

Exclusion Criteria:

• Not able to give her written consent (not speaking French), under legal protection
• Insulin-dependant diabetes
• Hiatus hernia
• History of gastro-oesophageal surgery
• Contraindication to right lateral decubitus
• Treatments with anti-acids before ultrasounds.