If your period is delayed for 4 days and you have symptoms of nausea and vomiting, first rule out the possibility of pregnancy and it is best to go to the hospital to have a blood test for HCG to find out if you are pregnant. If you are not pregnant, it is advisable to visit a gastroenterologist to rule out the possibility of gastrointestinal disorders. Most women do not experience nausea, vomiting, anorexia and other clinical symptoms when they are just 34 days after menopause, and most of them will experience these symptoms only when they are about 45 days after menopause. In addition, if your period is delayed for 4 days and there are no other symptoms, there is no need to be nervous and you can observe again.