Which of the following statements is correct with reference to a test tube baby ?

Options

A. Fertilization of egg is completed outside the body, the fertilized egg is then placed in the womb of the mother where gestation is completed.
B. Fertilization of egg is complete in the female genital tract. It is then taken out and grown in a large test tube.
C. A prematurely born baby is reared in an incubator.
D. Fertilization of egg and growth of embryo is completed in a large test tube.

Answer

A