Zygote Intrafallopian Transfer

**Definition:** A technique in assisted reproduction (REPRODUCTIVE TECHNIQUES, ASSISTED) consisting of hormonal stimulation of the ovaries, follicular aspiration of preovulatory oocytes, in-vitro fertilization, and intrafallopian transfer of zygotes at the pronuclear stage (before cleavage).

**Tree numbers:** - E02.875.800.992 - E05.820.800.992

**Synonyms:** - Pronuclear Stage Transfer - Pronuclear Stage Tubal Transfer - PROST - ZIFT