Objective: To evaluate the power of sperm characteristics and of the semen content of adenosine triphosphate (ATP) in predicting the occurrence of pregnancy in infertile couples. Design: This is a prospective study monitoring the occurrence of pregnancy during 400 days of follow-up. Settings: Couples were recruited in 10 centers, and data were analyzed at the World Health Organization Headquarters. Patients: Of 361 couples recruited, 306 satisfied the following criteria: infertility of at least 12 months' duration, anatomically normal female ovulating regularly, sperm concentration > 20 x 10(6)/mL, valid semen data, and ATP available before conception. Interventions: None. Main Outcome Measure: The occurrence of pregnancy. Results: Ni...
Objective: To determine the effects of leukocytes in semen on sperm quality and the ability to achie...
STUDY QUESTION: Does the prewash total motile sperm count (TMSC) have a better predictive value for ...
3To whom correspondence should be addressed The aim of this study was to evaluate diagnostic profile...
Objective: To evaluate the power of sperm characteristics and of the semen content of adenosine trip...
Background: To determine the sperm concentration of proven fertile males and to compare this with th...
Extracellular adenosine 5'-triphosphate (ATP) previously has been shown to increase the fertilizatio...
OBJECTIVE: To evaluate the associations between the results of the male partner's semen analysis (cl...
OBJECTIVE: To explore the association between semen parameters and spontaneous pregnancy. DESIGN: Ca...
OBJECTIVE: To determine the presence of the Ca2+-releasing pyridine nucleotide derivative, cyclic ad...
BACKGROUND:A number of laboratory tests have been developed to determine properties of spermatozoa q...
Objective: Approximately 15% of the couples suffer from infertility. Half of the cases of infertilit...
Abstract: The Sperm Quality Index (SQI) is capable of predicting semen quality when semen is diluted...
Objective: To investigate the value of sperm parameters to predict an ongoing pregnancy outcome in c...
OBJECTIVE: To investigate the value of sperm parameters to predict an ongoing pregnancy outcome in c...
A number of laboratory tests have been developed to determine properties of spermatozoa quality but ...
Objective: To determine the effects of leukocytes in semen on sperm quality and the ability to achie...
STUDY QUESTION: Does the prewash total motile sperm count (TMSC) have a better predictive value for ...
3To whom correspondence should be addressed The aim of this study was to evaluate diagnostic profile...
Objective: To evaluate the power of sperm characteristics and of the semen content of adenosine trip...
Background: To determine the sperm concentration of proven fertile males and to compare this with th...
Extracellular adenosine 5'-triphosphate (ATP) previously has been shown to increase the fertilizatio...
OBJECTIVE: To evaluate the associations between the results of the male partner's semen analysis (cl...
OBJECTIVE: To explore the association between semen parameters and spontaneous pregnancy. DESIGN: Ca...
OBJECTIVE: To determine the presence of the Ca2+-releasing pyridine nucleotide derivative, cyclic ad...
BACKGROUND:A number of laboratory tests have been developed to determine properties of spermatozoa q...
Objective: Approximately 15% of the couples suffer from infertility. Half of the cases of infertilit...
Abstract: The Sperm Quality Index (SQI) is capable of predicting semen quality when semen is diluted...
Objective: To investigate the value of sperm parameters to predict an ongoing pregnancy outcome in c...
OBJECTIVE: To investigate the value of sperm parameters to predict an ongoing pregnancy outcome in c...
A number of laboratory tests have been developed to determine properties of spermatozoa quality but ...
Objective: To determine the effects of leukocytes in semen on sperm quality and the ability to achie...
STUDY QUESTION: Does the prewash total motile sperm count (TMSC) have a better predictive value for ...
3To whom correspondence should be addressed The aim of this study was to evaluate diagnostic profile...