A small amount of blood on the 80th and 90th day of ovulation, and clean on the 11th day, does not necessarily mean that the implantation has been successful, it may be ovulation bleeding, or it may be implantation bleeding.
A small amount of blood on the 80th and 90th day of ovulation, clean on the 11th day, may be ovulation, the woman’s body sex hormone levels significantly change caused by the withdrawal of bleeding, also known as ovulation bleeding, does not necessarily indicate that the success of the implantation. Some women may experience significant changes in their sex hormone levels when the fertilized egg is implanted, which may cause implantation bleeding.
If you have sex during ovulation and want to confirm whether you are pregnant or not, you can go to the hospital around 35 days after menopause to check your blood HCG, and after 1 to 2 weeks you can have an ultrasound to see if you are pregnant in the uterus, and then you can have regular checkups.