Successful implantation after ovulation does not cause dizziness. If you have intercourse during ovulation, the egg will unite with the sperm to form a fertilized egg and travel through the fallopian tube to the uterine cavity to complete implantation, which takes about seven days. There are some physical reactions to successful implantation such as bleeding at implantation, but only a small percentage of women experience these reactions, and there are no abnormal symptoms associated with successful implantation. If you experience dizziness after implantation, it may be caused by lack of sleep or staying up late. Be sure to pay attention to rest and maintain a good quality of sleep so as not to affect normal conception. If you feel dizzy after successful implantation, massage your head and drink some warm milk, the dizziness will be relieved. After successful implantation, avoid strenuous exercise and use a pregnancy test after delayed menstruation, and at the same time, ultrasound and blood test should be performed to avoid ectopic pregnancy or pre-eclampsia.