Studies Demonstrating Improvement in Semen Quality

and Pregnancy Rate After Varicocelectomy

SELECTED STUDIES	YEAR	NO. OF PATIENTS	IMPROVED SEMEN QUALITY	PREGNANCY RATE (%)
Scott & Young 82	1962	166	70	31
Charny & Baum83	1968	104	61	24
MacLeod41	1965	108	74	41
Brown84	1976	251	58	41
Dubin & Amelar36	1977	986	70	53
Newton et al.85	1980	149	66	34
Marks et al. 57	1986	130	51	39
Goldstein et al.86	1992	357	-	43
Ross & Ruppman87	1993	488	77	-
Madgar et al.54	1995	45	-	71

Modified from Nagler, H.M., Luntz, R.K., and Martinis, F.G.: Varicocele. In: Infertility in the Male , 3rd Edition. Edited by L.I. Lipshultz and S.S. Howards. St. Louis: Mosby-Year Book, 1997, p.337.

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