In most cases of first trimester Vanishing Twin Syndrome, there is no physical impact on the surviving twin. A healthy womb experience followed by a normal delivery should be expected. A late pregnancy occurrence of VTS does have some implications for the surviving fetus, just as for the mother.
Depending on how cooked you like your hard boiled eggs, the eggs should be done perfectly in 10-12 minutes. That said, depending on your altitude, the shape of the pan, the size of the eggs, the ratio of water to eggs, it can take a few minutes more.
Place eggs in a large saucepan. Cover them with cool water by 1 inch. Cover pan with a lid and bring water to a rolling boil over high heat; when the water has reached a boil, set the timer for the desired time. Boil for 6 â 7 minutes for perfect hard boiled eggs.