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Risk factors for pregnancy outcomes in Type 1 and Type 2 diabetes
Author(s) -
Seah Jasmine,
Kam Ning M.,
Wong Lydia,
Tanner Cara,
Shub Alexis,
Houlihan Christine,
Ekinci Elif I.
Publication year - 2021
Publication title -
internal medicine journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.596
H-Index - 70
eISSN - 1445-5994
pISSN - 1444-0903
DOI - 10.1111/imj.14840
Subject(s) - medicine , pregnancy , type 2 diabetes , gestational diabetes , obstetrics , preeclampsia , diabetes mellitus , type 1 diabetes , gestation , endocrinology , genetics , biology
Background Understanding the risk factors and pregnancy outcomes in women affected by Type 1 and Type 2 diabetes is important for pre‐pregnancy counselling. Aim To explore differences in pregnancy outcomes between women with Type 1 and Type 2 diabetes, and healthy controls, and to examine the relationships between potential adverse risk factors and pregnancy outcomes in this cohort of women. Methods This is a 10‐year retrospective study of women with Type 1 diabetes ( n = 92), Type 2 diabetes ( n = 106) and healthy women without diabetes (controls) ( n = 119) from a tertiary obstetric centre. Clinical and biochemical characteristics of women with Type 1 and Type 2 diabetes were determined and related to major obstetric outcomes using univariate analysis. Results Women with pre‐existing diabetes had higher adverse pregnancy outcomes (preeclampsia, emergency caesarean section, preterm birth <32 and 37 weeks, large for gestational age, neonatal jaundice, Apgar score < 7 at 5 min, neonatal intensive care admission and neonatal hypoglycaemia) compared to controls. A higher birth weight gestational centile (97.4% vs 72.4%, P = 0.001) and large for gestational age rate (63.4% vs 35.8%, P = 0.001) were observed in Type 1 diabetes compared to Type 2 diabetes. There were no differences in other outcomes between women with Type 1 and 2 diabetes. Conclusion In this exploratory study, risk factors for maternal adverse outcomes differ between Type 1 and Type 2 diabetes. Maternal and foetal adverse outcomes were higher in pregnancies affected by diabetes compared to healthy women but occurred with similar frequency in women with Type 1 and Type 2 diabetes.