Pregnant woman while pregnant

Sister Kate in Australia still ovulates during pregnancy and miraculously than her husband's sperm lives in the womb up to 10 days before fertilizing with the egg.

The couple Kate and Peter Hill only had sex once in two pregnancies 10 days apart. This is an extremely rare medical phenomenon, called Superfetation - Another period of fertilization.

Kate gave birth to her first daughter - Charlotte on December 20, 2015.Olivia was born 10 days after giving birth.

They differ in appearance, height, weight and blood type.

Kate has a polycystic ovary syndrome . Since 2006, she has treated endocrine. The couple is looking forward to having children and the results are unexpected, she not only became pregnant once, but twice.

"Others do not ovulate while pregnant, but I ovulate. Our case is even rarer when the couple only has sex once - showing that his sperm already lives in my body. up to 10 days, " Kate told Today.

The couple is very happy with this unexpected happiness.

" Superfetation is a very rare phenomenon that I can't find in any of my country's medical materials. I have to use google to get some information," said Dr. Brad Armstrong .