The former Home and Away star shared the snap taken just three hours before she gave birth to her daughter Phoenix, who is now four-years-old.
"Three hours before I gave birth to my ten pound child. Women are warriors. We can do anything," the 34-year-old wrote.
Sursok then thanked her mother and daughter for the roles they play in her life and the lives of others.
"Thank you to the women who have paved the way before me. Thank you to my mother who gave me life. Thank you to my daughter who will be a powerful voice for the generation to come. #internationalwomensday"
"We're going to start putting that into focus in the next six months," she said. "So that is definitely something that we will be working on very soon."