The purpose of the study: Evaluation of effectiveness of oral preoperative carbohydrate on breastfeeding in the first 36 hours after cesarean section .
Study design: Randomized, double-blind, placebo-controlled, single-center Phase 2-3 trial.
Method: pregnant women scheduled for elective cesarean section with regional anesthesia ( spinal ) , age 20-35 years, gestational age ≥38 weeks, body mass index 25-37, after signing the informed consent divided randomly into two groups ( intervention=45 N, control=45 N ) .
Exclusion criteria: history of gastrointestinal disorders , Diebetes Mellitus, gastrointestinal surgery ( stomach and intestinal ) , liver , kidney and cardiovascular disorders; history of complications related to this pregnancy ( preeclapsia, high-risk pregnancy, gestational diabetes mellitus ); Use of general anesthesia; Intraoperative blood loss of more than 1000 ml; Bowel and bladder injury during surgery; The use of dextrose during surgery; Failure to follow the instructions use of supplement; Any problems occur for the baby that mother is unable to breastfeeding; If surgery is longer than 45 minutes; Unwillingness person to continue cooperation.
Patients in the intervention group ingested 800 ml of oral carbohydrate (12.5 per cent carbohydrates , 50 kcal/100 ml , 290 mOsm/kg) and control group 800 ml of flavoured water ( 0kcal/100ml ) in the day before operation between 8 and 24 hours . All persons were allowed to eat and drink freely before midnight . After midnight , persons were allowed no oral intake , exceot for 400 ml of the beverage ( oral carbohydrate for intervention and flavoured water for control group ) at 2 h before the initiation of anesthesia .
The first time breastfeeding , the number of breastfeeding and the average duration of breastfeeding check and compare by questionnaire in the first 36 hours after surgery.