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Evaluation of polyacrylamide gel as substitute for human cervical mucus in the sperm penetration test.

Abstract：

OBJECTIVE:To compare polyacrylamide gel as synthetic medium with human cervical mucus (CM) for the in vitro sperm-penetration test during infertility investigation. PATIENTS:One hundred sixty-nine randomly chosen couples with a median duration of infertility of 4 (range, 1 to 16) years presenting at the infertility unit of the Women's University Hospital of Heidelberg, Germany. MAIN OUTCOME MEASURES:Evaluation of sperm migration in polyacrylamide gel used in four different concentrations (1.5%, 1.6%, 1.7%, 1.8%) in the capillary tube test in parallel with CM of patients' female partners and CM of fertile donors, obtained under standardized conditions. Correlation of migration test results with outcome of semen analysis including microbial cultures and testing for local antisperm antibodies by means of the mixed antiglobulin reaction, postcoital testing, and the subsequent pregnancy rate after control for female infertility factors in a prospective study. RESULTS:Sperm ability to penetrate the synthetic medium (concerning all concentrations) correlated significantly with the penetration of human CM, although polyacrylamide proved to be a stronger barrier. Sperm velocity and duration of progressive motility were markedly reduced in polyacrylamide. Polyacrylamide results correlated with the outcome of standard sperm analyses but not with sperm antibody testing. No clear differentiation was obtained with regard to subsequent fertility (19% after 6 months), although adequate sperm migration in polyacrylamide 1.8% was significantly more frequent in the fertile group. CONCLUSIONS:In analyzing the intrinsic motility, penetration testing with polyacrylamide gel provides important information not obtained by routine sperm analysis. However, particularly with regard to immunological factors and fertility prognosis, human CM should be preferred whenever possible.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Eggert-Kruse W,Schwalbach B,Rohr G,Klinga K,Tilgen W,Runnebaum B

doi

10.1016/s0015-0282(16)56174-3

subject

Has Abstract

pub_date

1993-09-01 00:00:00

pages

540-9

issue

3

eissn

0015-0282

issn

1556-5653

pii

S0015-0282(16)56174-3

journal_volume

60

pub_type

临床试验,杂志文章

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