Pregnancy and delivery outcomes after previous bariatric surgery

Aim of the study. To evaluate pregnancy and delivery outcomes after maternal previous bariatric surgery. Objectives of the study. 1. To assess body weight changes, pregnancy and delivery outcomes in women who become pregnant during the first 12 mounths and later than 12 months after bariatric surgery. 2. To compare the course and outcomes of pregnancy for women who conceived after combined and restrictive type of obesity surgery. 3. To evaluate the frequency of anemia during pregnancy in women after bariatric surgery and to assess the influence for pregnancy and delivery outcomes. 4. To compare pregnancy and delivery outcomes for women after bariatric surgery with obese and nonsurgically treated women. Relevance and novelty of the study In order to decrease the risk of complications related to obesity, it is recommended to regulate and reduce the weight before pregnancy. In Lithuania, as in other countries, the number of pregnancies after bariatric surgery increases, as weight loss surgery is becoming widely available. This study is the first investigation of reproductive health changes in women who conceived after bariatric surgery in Lithuania. To date, there have been no studies analysing peculiarities of pregnancy course and complications, delivery and neonatal outcomes in this group of women in Lithuania. Based on worldwide publications and the results of our study, the guidelines for the management of pregnancy planning, pregnancy, delivery and postpartum period for women after previous obesity surgery has been developed