Relationship between body mass index, risk of venous thromboembolism and pulmonary embolism: A systematic review and dose-response meta-analysis of cohort studies among four million participants.

Background: The relationship between body mass index (BMI) and risk of venous thromboembolism (VTE) and pulmonary embolism (PE) is a controversial issue. This dose-response meta-analysis was performed to investigate the association between BMI and risk of VTE and PE incidence based on cohort studies.

Method: A comprehensive systematic search was conducted up to August 2019 in MEDLINE/PubMed, SCOPUS, and Cochrane.

The Effect of Preoperative Oral Carbohydrate on Breastfeeding After Cesarean Section: A Double-Blind, Randomized Controlled Clinical Trial.

Delay in the initiation of breastfeeding is one of the problems of cesarean section. Its causes are insulin resistance, pain, anxiety, stress, thirst, hunger, and so on. Preoperative oral carbohydrate (OCH) reduces postoperative insulin resistance and improves postoperative recovery.