$\begin{array}{1 1} \text{a. Fertilization inside female genital tract and growth in test tube.} \\ \text{b. Rearing of prematurely born baby in the incubator} \\ \text{c. Fertilization outside and gestation inside womb of mother}\\ \text{d. Both fertilization and development are affected outside the female genital tract.} \end{array}$
