LAUSR

Pregnancies in type 1 diabetes (T1D) are high-risk, and data in the U.S. are limited regarding clinical and CGM based hypoglycemia throughout pregnancy while on sensor augmented insulin pump (SAP). Pregnant women with T1D on insulin pump ≤ 16 wks gestation were enrolled at 3 U.S. centers and used study Dexcom G6. We analyzed episodes of severe hypoglycemia (SH) and days with > 20 hrs of CGM for biochemical hypoglycemia (BH) based on international consensus guidelines ( Disclosure R. Kaur: None. B.H. Smith: None. J.E. Pinsker: Advisory Panel; Self; Medtronic. Consultant; Self; Eli Lilly and Company, Tandem Diabetes Care. Research Support; Self; Dexcom, Inc., Eli Lilly and Company, Insulet Corporation, Medtronic, Tandem Diabetes Care. Speaker’s Bureau; Self; Tandem Diabetes Care. B. Ozaslan: None. G. O’Malley: Research Support; Self; Abbott, Dexcom, Inc. M. Trinidad: None. D. Desjardins: None. K.N. Castorino: Research Support; Self; Abbott, Dexcom, Inc., Medtronic, Mylan, Novo Nordisk Inc. C. Levister: None. C. Reid: None. S.K. McCrady-Spitzer: None. S.J. Ogyaadu: None. M. Church: None. M. Piper: None. W.K. Kremers: Research Support; Self; AstraZeneca. B. Rosenn: None. C.J. Levy: Consultant; Self; Dexcom, Inc. Employee; Spouse/Partner; Allergan plc. Research Support; Self; Abbott, Dexcom, Inc., Insulet Corporation. E. Dassau: Consultant; Self; Eli Lilly and Company. Research Support; Self; Dexcom, Inc., DreaMed Diabetes, Tandem Diabetes Care, Xeris Pharmaceuticals, Inc. Speaker’s Bureau; Self; Roche Diabetes Care. Other Relationship; Self; Dexcom, Inc., Insulet Corporation, Roche Diabetes Care. Y.C. Kudva: Research Support; Self; Dexcom, Inc., Roche Diabetes Care. Other Relationship; Self; Abbott. Funding National Institutes of Health (122358); Dexcom, Inc. (AP-2018-016)