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Among the male partners of 1074 infertile couples the mean results of semen analysis were sperm count 78 X 10(6)/ml, seminal volume 4.0 ml, proportion of progressively motile sperm 54%, proportion of sperm with normal morphologic features 8…
This study draws on decision analysis to estimate the utility of seminal variables in predicting pregnancy. The infertile couples selected (n = 709) excluded those who had donor insemination or known female factors (history of pelvic infect…
In a follow-up study of 1297 couples registered at a Nova Scotia infertility clinic with a complaint of infertility of at least 12 months' duration, the cumulative pregnancy rate at 36 months, with 95% confidence limits, was found to be 49 …
We analyzed a two- to seven-year follow-up of 1145 infertile couples to determine the frequency of pregnancy occurring independently of treatment. Pregnancy occurred in 246 of 597 treated couples (41 per cent) and in 191 of 548 untreated co…