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AuthorNivedita R., Aedla
AuthorMahmood, Tahir
AuthorAhmed, Badreldeen
AuthorKonje, Justin C.
Available date2024-05-13T10:50:31Z
Publication Date2023-11-22
Publication NameBest Practice & Research Clinical Obstetrics & Gynaecology
Identifierhttp://dx.doi.org/10.1016/j.bpobgyn.2023.102425
CitationAedla, N. R., Mahmood, T., Ahmed, B., & Konje, J. C. (2023). Challenges in timing and mode of delivery in morbidly obese women. Best Practice & Research Clinical Obstetrics & Gynaecology, 102425.
ISSN1521-6934
URIhttps://www.sciencedirect.com/science/article/pii/S1521693423001323
URIhttp://hdl.handle.net/10576/54900
AbstractGlobally obesity is increasing especially in the reproductive age group. Pregnant women with obesity have higher complication and intervention rates. They are also at increased risk of stillbirth and intrapartum complications. Although organisations like NICE, RCOG, ACOG and WHO have published guidelines and recommendations on care of pregnant women with obesity the evidence from which Grade A recommendations can be made on timing and how to deliver is limited. The current advice is therefore to have discussions with the woman on risks to help her make an informed decision about timing, place, and mode of delivery.Obesity is an independent risk factor for pregnancy complications including diabetes, hypertension and macrosomia. In those with these complications, the timing of delivery is often influenced by the severity of the complication. As an independent factor, population based observational studies in obese women have shown an increase in the risk of stillbirth. This risk increases linearly with weight from overweight through to class II obesity, but then rises sharply in those with class III obesity by at least 10-fold beyond 42 weeks when compared to normal weight women. This risk of stillbirth is notably higher in obese women from 34 weeks onwards compared to normal weight women. One modifiable risk factor for stillbirth as shown from various cohorts of pregnant women is prolonged pregnancy. Research has linked obesity to prolonged pregnancy. Although the exact mechanism is yet unknown some have linked this to maternal dysregulation of the hypothalamic pituitary adrenal axis leading to hormonal imbalance delaying parturition. For these women the two dilemmas are when and how best to deliver.In this review, we examine the evidence and make recommendations on the timing and mode of delivery in women with obesity. For class I obese women there are no differences in outcome with regards to timing and mode of delivery when compared to lean weight women. However, for class II and III obesity, planned induction or caesarean sections may be associated with a lower perinatal morbidity and mortality although this may be associated with an increased in maternal morbidity especially in class III obesity. Studies have shown that delivery by 39 weeks is associated with lower perinatal mortality compared to delivering after in these women. On balance the evidence would favour planned delivery (induction or caesarean section) before 40 weeks of gestation. In the morbidly obese, apart from the standard lower transverse skin incision for CS, there is evidence that a supraumbilical transverse incision may reduce morbidity but is less cosmetic. Irrespective of the option adopted, it is important to discuss the pros and cons of each.
Languageen
PublisherElsevier
SubjectObesity
Pregnancy
Stillbirth
Timing of birth
Prolonged pregnancy
Induction of labour
Caesarean section
TitleChallenges in timing and mode of delivery in morbidly obese women
TypeArticle
Volume Number92
ESSN1532-1932


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