Document Detail

Obesity in pregnancy.
MedLine Citation:
PMID:  20181319     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To review the evidence and provide recommendations for the counselling and management of obese parturients. OUTCOMES: Outcomes evaluated include the impact of maternal obesity on the provision of antenatal and intrapartum care, maternal morbidity and mortality, and perinatal morbidity and mortality. EVIDENCE: Literature was retrieved through searches of Statistics Canada, Medline, and The Cochrane Library on the impact of obesity in pregnancy on antepartum and intrapartum care, maternal morbidity and mortality, obstetrical anaesthesia, and perinatal morbidity and mortality. Results were restricted to systematic reviews, randomized controlled trials/controlled clinical trials, and observational studies. There were no date or language restrictions. Searches were updated on a regular basis and incorporated in the guideline to April 2009. Grey (unpublished) literature was identified through searching the websites of health technology assessment and health technology assessment-related agencies, clinical practice guideline collections, clinical trial registries, and national and international medical specialty societies. VALUES: The evidence obtained was reviewed and evaluated by the Maternal Fetal Medicine and Clinical Practice Obstetric Committees of the SOGC under the leadership of the principal authors, and recommendations were made according to guidelines developed by the Canadian Task Force on Preventive Health Care. BENEFITS, HARMS, AND COSTS: Implementation of the recommendations in this guideline should increase recognition of the issues clinicians need to be aware of when managing obese women in pregnancy, improve communication and consultation amongst the obstetrical care team, and encourage federal and provincial agencies to educate Canadians about the values of entering pregnancy with as healthy a weight as possible. RECOMMENDATIONS: 1. Periodic health examinations and other appointments for gynaecologic care prior to pregnancy offer ideal opportunities to raise the issue of weight loss before conception. Women should be encouraged to enter pregnancy with a BMI < 30 kg/m(2), and ideally < 25 kg/m(2). (III-B). 2. BMI should be calculated from pre-pregnancy height and weight. Those with a pre-pregnancy BMI > 30 kg/m(2) are considered obese. This information can be helpful in counselling women about pregnancy risks associated with obesity. (II-2B). 3. Obese pregnant women should receive counselling about weight gain, nutrition, and food choices. (II-2B). 4. Obese women should be advised that they are at risk for medical complications such as cardiac disease, pulmonary disease, gestational hypertension, gestational diabetes, and obstructive sleep apnea. Regular exercise during pregnancy may help to reduce some of these risks. (II-2B). 5. Obese women should be advised that their fetus is at an increased risk of congenital abnormalities, and appropriate screening should be done. (II-2B). 6. Obstetric care providers should take BMI into consideration when arranging for fetal anatomic assessment in the second trimester. Anatomic assessment at 20 to 22 weeks may be a better choice for the obese pregnant patient. (II-2B). 7. Obese pregnant women have an increased risk of Caesarean section, and the success of vaginal birth after Caesarean section is decreased. (II-2B). 8. Antenatal consultation with an anaesthesiologist should be considered to review analgesic options and to ensure a plan is in place should a regional anaesthetic be chosen. (III-B). 9. The risk of venous thromboembolism for each obese woman should be evaluated. In some clinical situations, consideration for thromboprophylaxis should be individualized. (III-B).
Gregory A L Davies; Cynthia Maxwell; Lynne McLeod; Robert Gagnon; Melanie Basso; Hayley Bos; Marie-France Delisle; Dan Farine; Lynda Hudon; Savas Menticoglou; William Mundle; Lynn Murphy-Kaulbeck; Annie Ouellet; Tracy Pressey; Anne Roggensack; Dean Leduc; Charlotte Ballerman; Anne Biringer; Louise Duperron; Donna Jones; Lily Shek-Yun Lee; Debra Shepherd; Kathleen Wilson;
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Publication Detail:
Type:  Journal Article; Practice Guideline; Review    
Journal Detail:
Title:  Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obst?trique et gyn?cologie du Canada : JOGC     Volume:  32     ISSN:  1701-2163     ISO Abbreviation:  J Obstet Gynaecol Can     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-25     Completed Date:  2010-05-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101126664     Medline TA:  J Obstet Gynaecol Can     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  165-73     Citation Subset:  IM    
Kingston ON.
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MeSH Terms
Anesthesia, Obstetrical
Cesarean Section
Fetal Monitoring
Obesity / complications*
Pregnancy Complications / etiology*
Pregnancy Outcome*
Thromboembolism / etiology
Ultrasonography, Prenatal
Weight Gain

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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