Antenatal Myo-inositol Supplementation in Pre-existing Diabetes

Inclusion Criteria * Pregnant women aged 21 years to 45 years old at the time of recruitment * Ongoing, viable, singleton intrauterine pregnancy * Between 12+0 days-16+6 days weeks' gestation at recruitment * T2DM diagnosed by a documented 75g Oral Glucose Tolerance Test (OGTT) showing a fasting glucose of \>7 mmol/L or 2h glucose \>11.1 mmol/L, or an HbA1C \>6.5%, either prior to pregnancy or during the first 16 weeks of the index pregnancy * Intend to receive antenatal care and give birth at NUH * Willing to provide written, informed consent * Able to swallow capsules and comply with trial procedures Exclusion Criteria * Known or suspected fetal aneuploidy or genetic/structural anomaly * Severe allergy to food items requiring carriage of an Epipen at all times