The combination of fertilized egg is no feeling, some people are more sensitive, there may be back pain, general weakness, mild abdominal pain and other symptoms, if intercourse during ovulation, you need to go to the hospital to draw blood to check or use the early pregnancy test paper to check whether you are pregnant, from the symptoms alone can not be sure whether you are pregnant or not, the pregnancy six weeks before the early pregnancy reaction can occur, it depends on the person to person. Some have no early pregnancy reaction during the entire pregnancy, through blood or paper test to determine pregnancy, it is recommended that regular ultrasound examination, can rule out ectopic pregnancy, but also can observe the development of the fetus, it is recommended that regular maternity examination during pregnancy, such as Down’s syndrome screening, four-dimensional ultrasound examination, can rule out fetal anomalies. Preparation for pregnancy need to relax, do not give yourself too much mental pressure, also can not be anxious, angry, it is best to reasonably supplement folic acid.