In which of the following techniques, the embryos are transferred to assist those females who cannot conceive ?

IVF is followed by ZIFT & IUT embryo transfer techniques in women who cannot conceive. Zygote Intra Fallopian Transfer is a technique in which zygote of 8 blastomeres is transferred into the fallopian tube. Intra Uterine Transfer is a technique in which embryo with more than 8 blastomeres is transferred to the uterus.