The purpose of the egg cell donor is to supply eggs for others who are infertile and wish to have a child. The purpose of the egg cell donor is to supply eggs for others who are infertile and wish to have a child.
There are two parts egg and sperm which copulates and produce zygote (offspring) , for those female who have some problem with their Fallopian tubes or for any other reason want to get a child seeks for an egg cell donor.
After all successful tests the development process is carried out in test tube and then implanted in womb of the mother