There may be no symptoms for a few days after conception, and the early pregnancy reaction usually doesn’t occur until about 6 weeks after conception. Pregnancy is usually more successful when men and women have sex during the ovulation period. The sperm combines with the egg to form a fertilized egg that will implant in the uterus, a process that takes about 10 days, during which time most people do not have any reaction, and a few people will experience mild abdominal pain or bleeding at the time of implantation. Therefore, a few days after conception there are not yet any symptoms, usually symptoms appear in about 6 weeks of pregnancy, there will be nausea and vomiting, generalized fatigue, urinary frequency and urgency, chest pain and chest distension, etc.; after pregnancy there is also one of the most obvious symptoms is the cessation of menstruation, so women with regular menstruation in menstruation delayed for more than 7 days when the first thing to consider is the cause of pregnancy. Early pregnancy is a critical period of fetal stability, to do a good job of fetal safety, pay attention to rest, do not do heavy physical work, and do not have intercourse, if you feel unwell, consult a doctor in time.