搜索结果: 1-15 共查到“性科学 contraceptive”相关记录16条 . 查询时间(0.086 秒)
Pleasure, Prophylaxis and Procreation：A Qualitative Analysis of Intermittent Contraceptive Use And Unintended Pregnancy
Intermittent Contraceptive Use pregnancy ambivalence Unintended Pregnancy
2009/9/17
CONTEXT: Although pregnancy ambivalence is consistently associated with poorer contraceptive use, little is known about the sexual, social and emotional dynamics at work in pregnancy ambivalence.
...
Factors Affecting British Teenagers' Contraceptive Use at First Intercourse：The Importance of Partner Communication
British Teenagers First Intercourse Contraceptive Use Partner Communication
2009/9/17
CONTEXT: Despite the growing body of knowledge about teenager's sexual and contraceptive behavior in the United Kingdom, much quantitative work has failed to consider the broader social contexts in wh...
Predictors of Contraceptive Discontinuation in a Sexually Transmitted Disease Clinic Population
sexually transmitted disease Contraceptive unintended pregnancy
2009/9/17
CONTEXT: Women who attend sexually transmitted disease (STD) clinics are at high risk for unintended pregnancy. Little information is available, however, on the rates of discontinuation of effective c...
Differences in Teenage Pregnancy Rates Among Five Developed Countries：The Roles of Sexual Activity and Contraceptive Use
Teenage Pregnancy Rates Contraceptive Use Sexual Activity
2009/9/16
Context: Adolescent pregnancy, birth, abortion and sexually transmitted disease (STD) rates are much higher in the United States than in most other developed countries.
Methods: Government statist...
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 ...
Influential Factors on Discontinuation of Intrauterine Contraceptive Device
IUD Discontinuation Complications
2009/12/16
Background & Aim: Choosing proper method for contraception can help to reduce prevalence of unwanted pregnancy and unsafe abortions. IUD is one of the most trustable; effective, and long-term contrace...
Guidelines for the Clinical Testing of Male Contraceptive Drugs
Guidelines Clinical Testing Male Contraceptive Drugs
2009/2/19
The development of male contraceptive drugs is of great scientific importance for andrologists as well as being of vital world interest. The American Society of Andrology, therefore, welcomed the op...
The antifertility effect of triptolide and other related compounds, isolated from Tripterygium wilfordii, has been demonstrated in male rats. The exact sites and mechanism of action of triptolide ...
Characterization of cysteamine as a potential contraceptive anti-HIV agent
Contraception sexually transmitted diseases thiol reagents acrosin inhibitor hyaluronidase inhibitor
2009/2/17
Cysteamine (beta-mercaptoethylamine, or MEA) is a thiol-reducing agent and has anti-HIV activity. Because of these properties, cysteamine was evaluated as a vaginal contraceptive and tested for its ef...
The contraceptive effects of etoprine on male mice and rats
Etoprine male contraception spermatogenesis dihydrofolate reductase
2009/2/13
We had previously found that 2,4-diaminopyrimidines affected spermatogenesis, possibly through the inhibition of testicular dihydrofolate reductase (DHFR). The current study examined the effects of ...
Daily testosterone and gonadotropin levels are similar in azoospermic and nonazoospermic normal men administered weekly testosterone: implications for male contraceptive development
Contraception gonadotropins azoospermia
2008/12/29
Weekly intramuscular administration of testosterone esters such as testosterone enanthate (TE) suppresses gonadotropins and spermatogenesis and has been studied as a male contraceptive. For unknown ...
Properties of a new, long-lasting vaginal delivery system（LASRS）for contraceptive and antimicrobial agents
vaginal delivery system contraceptive antimicrobial agents
2008/12/26
In view of the need for improved vaginal formulations that are contraceptive, that may prevent transmission of sexually transmitted infections, or both, a new delivery system (base formulation; call...
Biological Activity Assessment of a Novel Contraceptive Antimicrobial Agent
Hesperidin microbicides hyaluronidase STDs HIV
2008/12/23
Microbicides are a new category of compounds being developed as a prophylactic approach for the prevention of transmission of sexually transmitted diseases (STDs), including the human immunodefici...
Intratesticular Testosterone Concentrations Comparable With Serum Levels Are Not Sufficient to Maintain Normal Sperm Production in Men Receiving a Hormonal Contraceptive Regimen
Intratesticular androgens spermatogenesis gonadotropins progestogens
2008/12/22
Intratesticular testosterone (ITT) is thought to play a key role in the control of spermatogenesis in man but is rarely measured. The purposes of this study were 1) to examine the relationship betwe...
Contraceptive Steroids Influence the Hemostatic Activation State in Healthy Men
Cardiovascular risk gestagens hemostasis hormonal male contraception testosterone
2008/12/5
Hormonal contraception for men requires administration of testosterone and gestagens. The effects of a long-acting testosterone ester and 2 different progestins on hemostatic activation parameters w...