During the period of implantation, there is usually no obvious manifestation, and after a certain period of time, it may be manifested as the cessation of menstruation and early pregnancy reaction. There is generally no obvious manifestation during implantation. Early pregnancy reactions include nausea, vomiting, poor appetite, partiality, drowsiness, fatigue, etc., which may also be accompanied by frequent urination, breast swelling and pain, etc. The above symptoms vary from person to person. The above symptoms vary from person to person. Women of childbearing age who experience cessation of menstruation after sexual intercourse should pay attention to it and, if necessary, undergo an early pregnancy test, blood test for HCG level and ultrasound examination. After the diagnosis is confirmed, rest should be taken, stimulation should be reduced and nutrition should be supplemented to ensure the health of the fetus. Some women may experience a small amount of bleeding from the vagina, which is caused by the implantation of the fertilized egg. When bleeding increases, medical attention should be sought to avoid progression to miscarriage.