The Female Reproductive System

The process of transferring an ovum from a donor into the fallopian tube of another female is called GIFT, which stands for Gamete Intrafallopian Transfer. In GIFT, the ovum (egg) and sperm are directly placed into the fallopian tube to encourage fertilization naturally within the body. This method differs from others as it involves the direct introduction of gametes into the body.

Here is a brief comparison of the options provided:

Among these methods, only GIFT involves transferring the ovum directly into the fallopian tube without prior fertilization.