There is no definitive sign of successful implantation, and different women may experience different symptoms and signs of implantation. However, some common symptoms of implantation include:

• Implantation bleeding: This is light bleeding that occurs 6-12 days after conception.

• Cramping: Mild cramping can be a sign of successful implantation, as the fertilized egg attaches to the uterine lining. These cramps dont happen in every case, and theyre not, on their own, enough to say for sure that implantation has happened.

• Spotting: Some women may experience light spotting after successful implantation.

• Breast tenderness: Some women may experience breast tenderness after successful implantation.

• Nausea: Some women may experience nausea and vomiting after successful implantation.

Its important to note that not all women experience these symptoms, and some women may not notice any symptoms of implantation at all. The only way to know for sure if implantation has been successful is to wait until the first day of a missed period and take a pregnancy test.