Bedding successful pregnancy at the beginning of most people have no symptoms, a very small number of people may have a small amount of vaginal bleeding for a short period of time, along with the passage of time will be the first to appear menopause, some women in the pregnancy of about 6 weeks will be nausea, vomiting, aversion to grease, loss of appetite, but also may appear fatigue, lethargy, frequent urination and other symptoms. Fertilized egg implantation is about one week after intercourse, when the fertilized egg is in the late blastocyst state, and the fertilized egg is implanted in the endometrium through the three stages of localization, adhesion, and penetration to complete the process of implantation. At this time, the syncytiotrophoblasts begin to secrete chorionic gonadotropin, which is secreted in very small quantities at the beginning, so women will not have any symptoms, but blood tests to check for human chorionic gonadotropin will reveal that the level of this hormone is elevated. A very small number of women will experience a small amount of vaginal bleeding when the fertilized egg is implanted, which usually clears up in a day or two and is usually not accompanied by abdominal pain or discomfort. After the successful implantation of the pregnancy over time, the first to appear menstruation to stop the performance of some women in about 6 weeks of pregnancy will be nausea, vomiting, aversion to grease, loss of appetite, may also appear fatigue, drowsiness, frequent urination and other symptoms. Early pregnancy should also prohibit sexual intercourse, and follow the doctor’s instructions for ultrasound to rule out ectopic pregnancy and other conditions.