Placement of pre-selected sperm into the egg is one of the most important moments in IVF applications. By holding the large egg cell in the middle with a larger pipette on the left, it is ensured that sperm can be inserted as much as the spot seen in a thinner pipette on the right. prepared for this very moment. When the sperm are placed inside the egg cell with the same care, one of the biggest miracles we know has started.