This study is about preparing women with excessive weight to have better breastfeeding outcomes. By doing this study, the investigators hope to learn more about how hand expression of breast milk or colostrum during pregnancy can help prepare a mother to breastfeed after she has her baby and about how her diet affects the composition of her breast milk and her baby's growth and development.
Age 18 or older
Less than 37 weeks of pregnant with singleton fetus
Pre-pregnancy excessive weight (Body Mass Index ≥ 25 kg/m2)
Interested in breastfeeding
Pre-existing conditions (e.g. diabetes, hypertension, heart disease, thyroid disorders);
Use of recreational drugs, tobacco, or 2 or more servings of alcohol per month
Food allergies, intolerances, or preferences interfering with the meal plan
Medical history including any contraindication to breastfeeding (medications or supplements incompatible with breastfeeding, substance use)Multiparous pregnancy