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PS-314 The Risk Of Macrosomia Linked To Diabetes In Pregnancy: Data From The French Population In 2011
  1. C Billionnet1,
  2. A Weill1,
  3. U Simeoni2,
  4. P Ricordeau1,
  5. F Alla3,
  6. S Jacqueminet4,
  7. A Hartemann4,
  8. D Mitanchez5
  1. 1Département d’études en Santé Publique, Caisse Nationale de l’assurance Maladie, Paris, France
  2. 2Service de Néonatologie UMR608 INSERM, Assistance Publique – Hôpitaux de Marseille, Marseille, France
  3. 3Direction Générale, Caisse Nationale de l’assurance Maladie, Paris, France
  4. 4Service de Diabétologie Hôpital Pitié Salpêtrière Paris Sorbonne Universités UPMC Univ Paris 06, Hôpital Pitié Salpêtrière APHP, Paris, France
  5. 5Service de Néonatologie Sorbonne Universités UPMC Univ Paris 06, Hôpital Armand-Trousseau APHP, Paris, France

Abstract

We evaluated the risk of macrosomia according to the type of maternal diabetes from the French birth cohort in 2011.

Method Data were obtained from the PMSI (medical Information system program) and the SNIIRAM (inter-regimens national system of information) of the French health insurance. All the childbirths and the terminations of pregnancy (TOP) after 22 weeks were selected. The mother’s diabetic status was determined by an algorithm based on the consumption of antidiabetics and hospitalisation diagnoses before and during the pregnancy. An identifier in the PMSI links mothers and children. Macrosomia was defined as a birth weight (BW) > 4 kg or > 90th percentile for gestational age.

Results 806 579 childbirths /TOP > 22 weeks were identified in the PMSI. The motherchild chaining was obtained for 474 614 births. 16.7% of the newborn had BW >4 kg in type 1 diabetes (T1D), 13.4% in type 2 diabetes (T2D), 9.0% in GD, and 6.6% in the normal population. 42.5% (n = 354) of the newborn had a BW >90th percentile in T1D, 30.4% (n = 348) in T2D, 15.7% (n = 5096) in GD and 9.4% in the absence of diabetes. The OR compared with the absence of diabetes were respectively 7.0 [6.1–8.0], 3.9 [3.4–4.4] and 1.7 [1.6–1.8]. The median BW was significantly higher whatever the term of birth in cases of GD compared to the normal population.

Conclusion the risk of macrosomia is the highest in case of T1D, but it remains in case of GD, although it is lower.

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