| $ZIFT$ Method | $GIFT$ Method |
|---|---|
| $(1)$ Full name is Zygote Intra Fallopian Transfer. | $(1)$ Full name is Gamete Intra Fallopian Transfer. |
| $(2)$ Fertilization occurs outside the body (in vitro) in a laboratory. | $(2)$ Fertilization occurs inside the fallopian tube (in vivo). |
| $(3)$ The zygote or early embryo (up to $8$ blastomeres) is transferred into the fallopian tube. | $(3)$ The ovum and sperm are collected and transferred directly into the fallopian tube. |
| $(4)$ It is suitable for women who cannot produce ova but can provide a suitable environment for fertilization and development. | $(4)$ It is suitable for women who cannot produce ova but can provide a suitable environment for fertilization and further development. |
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| List-$I$ | List-$II$ |
|---|---|
| $(1)$ $ZIFT$ | $(a)$ Transfer of ovum into the fallopian tube |
| $(2)$ $GIFT$ | $(b)$ Laboratory procedure to form a zygote |
| $(3)$ $IUT$ | $(c)$ Transfer of zygote into the fallopian tube |
| $(4)$ $ICSI$ | $(d)$ Transfer of embryo into the uterus |
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