They Were Identical Triplets
It turned out that the three boys came from a single egg! The single egg then split into three different ones, so they are identical. The doctors initially told her that the boys were not monozygotic, but this turned out to be false. As a matter of fact, the doctors were also shocked by this and needed to check once more. Multiple sources say that there is only one in 60,000 to one in 200 million chances that this was going to happen. It was pretty much impossible to have identical triplets, but here they were. The genetic phenomenon shocked a lot of doctors because of its statistical improbability.

They Were Identical Triplets