Bleeding after 12 days of IVF transplantation may be caused by bleeding from implantation of fertilized egg, preeclampsia, and transplantation failure.
1. Bleeding on implantation: Bleeding after 12 days of IVF transplantation may be caused by implantation, the color of the blood is usually brown or light pink, the amount of bleeding is usually small and the duration is relatively short, so it can be temporarily observed first.
2. Pre-eclampsia: After 12 days of IVF transplantation and successful implantation, but due to the poor quality of the embryo or the lack of progesterone in the body leading to miscarriage of the fetus, there will also be vaginal bleeding, through the examination of the pregnancy has been confirmed, you can be preserved in the first treatment.
3. Transplantation failure: Bleeding after 12 days of IVF transplantation may be a transplantation failure, and the shedding of the uterine lining after the transplantation failure will cause menstruation.
Therefore, patients with bleeding after 12 days of IVF transplantation are advised to consult a doctor in time in order to clarify their specific causes and give targeted treatment under the guidance of the doctor.