Question: Based on Whitaker and colleagues (2016), which statement about the purpose is correct? Explored women's beliefs about nutrition, physical activity and weight gain during pregnancy. Evaluated pre-post probiotic intervention on iron absorption. Compared dietary habits of women who adhered to recommended weight gain guidelines and those who exceeded weight gain during pregnancy. Tested the validity of the Transtheoretical Model to examine adherence to weight gain recommendations during pregnancy. None of the above