It is common for some women to experience delayed or minimal visible growth in their stomach during pregnancy. However, if your wife is also experiencing vomiting and headaches, it's important to consult with a healthcare professional. These symptoms could be signs of a potential issue that needs medical attention. The doctor will be able to assess your wife's condition and provide appropriate guidance. In the meantime, ensure that your wife is eating a balanced diet, staying hydrated, getting enough rest, and taking prenatal vitamins as prescribed. It's also helpful to provide emotional support and create a comfortable environment for her during this time. Remember that every pregnancy is different, so it's best to seek professional advice for personalized care.