Intrafallopian

Intrafallopian is an anatomical and medical term describing something that occurs within or is located in the fallopian tube, the duct that carries eggs from the ovary to the uterus. The word derives from the Latin intra- meaning inside and fallopian, referring to the tube.

In reproductive medicine, intrafallopian procedures are those that place or fertilize gametes or embryos within the fallopian tube rather than in a laboratory dish. The two most well-known examples are gamete intrafallopian transfer (GIFT) and zygote intrafallopian transfer (ZIFT). In GIFT, eggs and sperm are collected and placed together inside the fallopian tube, allowing fertilization to occur in the body. In ZIFT, fertilization occurs outside the body to form a zygote, which is then transferred into the fallopian tube to potentially implant naturally.

Historically, intrafallopian techniques were developed as alternatives to early in vitro fertilization (IVF). They gained attention in the 1980s and 1990s but have declined in use as IVF techniques improved and became more successful and widely available. Today, intrafallopian procedures are less common and are considered in specific clinical contexts or patient preferences rather than as standard first-line options.

Potential risks associated with intrafallopian methods include complications from laparoscopy, tubal damage, and an increased risk of ectopic pregnancy. As with other assisted reproductive technologies, careful patient selection and counseling are important to weigh benefits and risks. See also gamete intrafallopian transfer and zygote intrafallopian transfer.