The method of directly injecting a sperm into an ovum is called:

Match the columns:

Column $1$	Column $2$	Column $3$
$(a) ZIFT$	$(p) ART$ method	$(w)$ Ovum and sperm in fallopian tube
$(b) ART$	$(q) ZIFT$	$(x)$ Embryo with more than $8$ blastomeres in uterus
$(c) GIFT$	$(r) IVF$	$(y)$ Embryo with up to $8$ blastomeres in fallopian tube
$(d) IVF$	$(s) GIFT$	$(z)$ Ovum transfer into fallopian tube

The first case of $IVF-ET$ technique success was reported by:

Embryo with more than $16$ blastomeres formed due to in vitro fertilisation is transferred into

Secondary infertility is defined as:

The procedure of $GIFT$ involves the transfer of a female gamete into the fallopian tube. Can gametes be transferred to the uterus to achieve the same result? Explain.