The Potential Use of Intrauterine Insemination as a Basic Option for Infertility: A Review for Technology-Limited Medical Settings

Table 2

Sperm preparation methods.

Author	Year	Design (prospective or retrospective)	Number of infertile patients	Number of insemination cycles	Method of preparation	IUI outcome
Carrell et al.	1998	Prospective	363	898	Sperm wash	PR 8.9%
					-Swim-up	14.7%
					-Swim-down	7.7%
					-Percoll density gradient	16.1%
					-Sperm refrigeration/heparin incubation	11%
Dodson et al.	1998	Prospective	80	153	Double cenrifugation	CF 15%
					-Swim-up	14%
					-Percoll density gradient	20%
Morshedi et al.	2003	Prospective	311	676	Simple wash	PR 11.6%
					-Density gradient	14.3%
Lan et al.	2004	Prospective	140	NA	Swim-up	PR 15%
					-Percoll density gradient	20%
					-Wang's tube method	45%
Ren et al.	2004	Prospective	NA	317	Albumin	PR 12.5%
					-Puresperm	7.4%
					-Swim-up	9.6%
					-Percoll density gradient	12.7%

PR: Pregnancy rate; CF: Cycle fecundity; NA: Not available.