搜索结果: 1-13 共查到“性科学 methods”相关记录13条 . 查询时间(0.066 秒)
Heterosexually Active Men's Beliefs About Methods for Preventing Sexually Transmitted Diseases
Heterosexually Active Men Sexually Transmitted Diseases
2009/9/17
CONTEXT: Most research on heterosexual transmission of HIV and other sexually transmitted diseases (STDs) has focused on women. However, heterosexual transmission of STDs cannot be prevented without a...
Choice of and Satisfaction with Methods of Medical And Surgical Abortion Among U.S. Clinic Patients
Surgical Abortion U.S. Clinic Patients drugs
2009/9/16
Context: Abortion induced by drugs is now a viable alternative to surgically induced abortion for U.S. women. Women's willingness to use these new methods of medical abortion hinges on the extent to w...
Characteristics of Adolescents' Sexual Partners and Their Association with Use Of Condoms and Other Contraceptive Methods
Adolescents' Sexual Partners Contraceptive Methods Condoms
2009/9/16
Context: While a number of studies have examined the association between individuals' characteristics and their contraceptive use, few studies have examined the influence of partners' characteristics ...
Choice of Female-Controlled Barrier Methods Among Young Women and Their Male Sexual Partners
Female-Controlled Barrier Young Women Male Sexual Partners
2009/9/16
Little is known about the factors associated with the choice of female-controlled, over-the-counter barrier contraceptive methods among women and their male sexual partners.
Methods: Predictors of...
Development of computer-directed methods for the identification of hyperactivated motion using motion patterns developed by rabbit sperm during incubation under capacitation conditions
computer-directed methods identification hyperactivated motion motion patterns rabbit sperm
2009/2/12
Rabbit spermatozoa developed motions that mimicked hyperactivated motility during incubation for 16-20 hours under capacitation conditions and in several other commonly used media. Sperm from some rab...
Consistency of sperm morphology classification methods
Consistency sperm morphology classification methods
2009/2/12
The World Health Organization (WHO) recently suggested new morphometric dimensions for normal sperm heads and new sperm head classification rules. These specifications differ from previous WHO met...
Evaluation of flow cytometric methods to measure human sperm concentration
Semen cell count DNA staining fluorospheres hemocytometry
2008/12/29
Human sperm concentration is usually assessed using hemocytometry (HM). However, external and internal quality control schemes have shown that the accuracy of this method is low overall. Flow cyto...
Sperm Preparation Methods
Sperm Preparation Methods
2008/12/25
The spermatozoa of all placental (eutherian) mammals,
including humans, are in a protective, nonlabile state at
ejaculation and are incapable of fertilization even if they
are placed in direct cont...
Validation of Sperm Counting Methods Using Limits of Agreement
Sperm Counting Methods Limits of Agreement
2008/12/24
A variety of methods exist for counting sperm. Since the introduction of semen analysis, one of these methods, the hemocytometer, has been regarded as the gold standard by andrology laboratories and t...
Comparative Study of Four Different Sperm Washing Methods Using Apoptotic Markers in Ram Spermatozoa
Swim-up caspase activity annexin V
2008/12/24
The accurate measurement of semen fertilizing potential is of great importance in determining the acceptability of processed semen for breeding purposes. A good sperm preparation technique result...
The Precision and Accuracy of Six Different Methods to Determine Sperm Concentration
Cytometry hemocytometry microcells spectrophotometry plate reader
2008/12/23
The development of new technologies and software that are routinely used in laboratories has now allowed for a more diverse novel range of methods to determine sperm concentrations more rapidly. The...
Quality Control of Laboratory Methods for Semen Evaluation in a Multicenter Research Study
Sperm concentration semem volume sperm motility quality control observer variation precision
2008/12/22
Rigorously standardized laboratory protocols and strict quality control (QC) are essential for meaningful comparisons between semen quality data from multiple sites. We describe our experience wit...
Standardized Methods for Semen Evaluation in a Multicenter Research Study
Sperm concentration semen volume sperm motility quality control observer variation precision
2008/12/22
Semen evaluation methodology is complex and difficult to standardize. Rigorously standardized laboratory protocols and strict quality control (QC) are essential for meaningful comparison of data fro...