IntraFallopian insemination (IFI) and intraperitoneal inseminations (IPI)

The intraFallopian and intraperitoneal insemination techniques are not commonly used. The procedures are more invasive and there is no firm evidence that they result in higher success rates compared to intrauterine insemination (IUI).

The procedures for intraFallopian insemination (IFI) and intraperitoneal insemination (IPI)

The steps of treatment are similar to IUI until insemination. For intraFallopian insemination (IFI), a large volume (4 ml) of the washed sperm is injected into one Fallopian tube using a special plastic catheter. For intraperitoneal insemination (IPI) the washed sperm is injected through the top of the vagina into the peritoneal cavity next to the entrance of the Fallopian tubes using a special needle. The procedure is usually performed under ultrasound guidance.

The rational of using a large volume in both intra-fallopian tube insemination and intra-peritoneal insemination compared to a a very small volume in intrauterine insemination is that the inseminate will fill the uterine cavity and flow through the fallopian tubes and some of it will end up in the peritoneal cavity.

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