An 2016.

Study name	The antiemetic efficacy and safety of subhypnotic dose of propofol for decreasing the incidence of intraoperative nausea and vomiting during caesarean section
Methods	RCT
Participants	Inclusion criteria: 1. ASA I‐II; 2. elective caesarean section; 3. gestation period ≥ 37 weeks; 4. breastfeeding. Exclusion criteria: 1. who had gastrointestinal diseases; 2. who had history of motion sickness and/or previous emesis 24 hours before surgery; 3. who are allergic to propofol; 4. whose body weight 2 times than normal; 5. who had a history of emesis in an intraoperative, post‐delivery period; 6. who had received any antiemetic medication within 24 hours before surgery.
Interventions	Propofol vs placebo
Outcomes	Nausea, retching, vomiting
Starting date	20 Oct 2016 to 28 Feb 2017
Contact information	Jianxiong An: email ‐ anjianxiong@yeah.net
Notes	http://www.chictr.org.cn/historyversionpuben.aspx?regno=ChiCTR-INR-16009539