This study aims to establish a new cohort study to investigate the relationship between chrono-nutrition factors during pregnancy and maternal GDM (Gestational diabetes mellitus), glycemic parameters, and gestational weight gain.
Women aged 20 years or older.
Pregnancy duration between 10 and 15 weeks.
Diagnosis of type 1 diabetes, type 2 diabetes, or gestational diabetes.
Currently taking medications that may affect glucose metabolism (e.g., metformin).
Irregular working schedule, such as shift work.
Presence of a multiple pregnancy.
Pregnant women attending first antenatal clinic visits at National Taiwan University Hospital (NTUH) will be recruited.
Cohort
Prospective
Chrono-nutrition factors
Other interventionDietary records would be used to assess the chrono-nutrition factors such as night eating, breakfast skipping, meal frequency, and daily fasting.
Glycemic Parameters
Values derived from oral glucose tolerance test (OGTT), including fasting, 1-hour, and 2-hour glucose levels, and gestational diabetes diagnosis.
Gestational weight gain
Institute of Medicine guideline will be applied to classify gestational weight gain adequacy based on pre-pregnancy body mass index categories.
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