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Intraperitoneal Insemination in Mammals
Intraperitoneal insemination is sometimes performed in humans. Thus, this spanish study describes this uncommon technique in mammals and factors influencing its developement. The results can be compared with the intrauterine technique at least in men...

This review focuses on factors associated with the development of intraperitoneal insemination in mammals.

Findings to date indicate that fertility improves as the sperm cell concentration rises, but that the optimal sperm number differs in each species. Sperm washing before intraperitoneal insemination favours fertility. Peritoneal fluid shows a variable effect on spermatozoa, depending on the hormonal status of the female.

The optimal time for insemination appears to be just prior to ovulation. The technique may be performed either through the abdominal or the vaginal wall. Verification of sperm deposition in the proximity of the ovaries improves fertility rates.

Although associated with some risk of infection and an immune reaction against spermatozoa, the intraperitoneal technique rarely gives rise to severe anaphylactic shock, peritonitis, adhesion formation and the production of anti-sperm antibodies and these complications may be prevented by adequate sperm pretreatment and antibiotic therapy.

The success of intraperitoneal insemination in humans, with results comparable with those of intrauterine insemination in the treatment of infertility, suggest the potential use of this technique in domestic mammals, especially in those in which intrauterine insemination poses practical difficulties.

Some of the methods applied in human intraperitoneal insemination, such as confirming the position of the needle in the peritoneal cavity, and sperm pre-treatments might also improve results in domestic species.
Conversely, the use of the animal model should help to develop some aspects of this technique in humans.


Source: Yaniz, JL, Lopez-Bejar, M, Santolaria, P, Rutllant, J & Lopez-Gatius, F (2002)
Intraperitoneal Insemination in Mammals: A Review. In: Reproduction in Domestic Animals 37 (2), 75-80.




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