Table 1.

Demographics of Couples Undergoing IUI

Age (yrs)	Total	Total (%)	Live birth	Cumulative LBR (%)
<30	68	21.9%	18	26.5%
30 – <35	112	36.1%	26	23.2%
35 – <38	49	15.8%	13	26.5%
38 – <40	37	11.9%	5	13.5%
>= 40	44	14.2%	1	2.3%
Cumulative Total	310		63	20.3%
TMC (mil)				Per Cycle LBR (%)
0 – <2	28	4.3%	0	0.0%
2 – <6	59	9.0%	3	5.1%
6 – <ll	92	14.0%	8	8.7%
11 – <16	71	10.8%	5	7.0%
16 – <21	64	9.8%	8	12.5%
>= 21	341	52.1%	39	11.4%
Total by cycle	655		63	9.6%
Etiologya				Per Cycle LBR (%)
Male factor	108	30.1%	26	24.1%
Ovulatory dysfunction	94	26.2%	27	28.7%
Unexplained	74	20.6%	8	10.8%
Tubal factor	21	5.8%	1	4.8%
Endometriosis	20	5.6%	3	15.0%
Uterine anomaly	19	5.3%	1	5.3%
Recurrent pregnancy loss	19	5.3%	2	10.5%
Other	4	1.1%	0	0.0%
a50 of the 310 couples with more than one etiology
Treatment				Per Cycle LBR (%)
Clomiphene Citrate (CC)	424	64.7%	37	8.7%
CC + Gonadotropins	30	4.6%	7	23.3%
Letrozole	90	13.7%	7	7.8%
Letrozole + Gonadotropins	11	1.7%	1	9.1%
Gonadotropins	58	8.9%	8	13.8%
Natural cycle	42	6.4%	3	7.1%
Ovulatory monitoring				Per Cycle LBR (%)
Ovulation predictor kit	468	71.5%	45	9.6%
Recombinant bHCG	187	28.5%	18	9.6%
Sperm preparation				Per Cycle LBR (%)
Fresh	529	80.8%	49	9.3%
Frozen	126	19.2%	14	11.1%