The technique of GIFT (gamete intrafallopian transfer) is recommended for those females
GIFT- Gamete intra fallopian transfer method is used in females who cannot produce ova but can provide suitable envoirnment for fertilization and further development of embryo in the oviducts. In such cases, ovum from the donor female is surgically removed and is then introduced into the fallopian tube of such females.So, the correct answer is 'Who cannot produce an ovum'.