If you\’re one of those unfortunate moms-to-be who suffers from nausea, vomiting, be kind to yourself, get all the help you can get, and try our proven suggestions to see if they work for you. Nausea and Vomiting No one knows why many expectant mothers\’ first sign of pregnancy is a rush to the bathroom in the early morning. About four out of five expectant mothers experience nausea and half experience vomiting. For many women, the first few weeks of pregnancy are more difficult than wonderful. Pregnancy affects expectant mothers differently. first after pregnancy