To complete the question;
They go to a clinic where Donald's sperm is mixed with Beverly's ova in a glass laboratory dish. Viable embryos are later implanted in Beverly's uterus. The procedure that has been performed is what we call the In vitro fertilization.
This is a complex series of procedures that are used to treat fertility or genetic problems and it helps with the conception of a child. During the process, mature eggs are collected or retrieved from the ovaries and fertilized by sperm in a laboratory. It is the most effective form of assisted reproductive technology.