相关实验视频
Updated: Sep 14, 2025

04:47
Optimizing the Modified No-Scalpel Vasectomy Technique
Published on: October 18, 2024
437
负面怀孕欲望与越南夫妇最近的无避孕套性行为之间的关联
A Luff1, N C Nguyen2, T N Luong3
1Division of Epidemiology, College of Public Health, Ohio State University.
Journal of sex research
|July 22, 2025
概括
当任何一方都强烈希望避免怀孕时,情侣不太可能进行无避孕套的性行为. 这一发现强调了在避孕咨询中考虑双方的愿望,以防止意外怀孕.
科学领域:
- 生殖健康 生殖健康
- 避孕药是一种避孕药,用于避孕.
- 性行为性行为.
背景情况:
- 负面的怀孕欲望在计划生育中至关重要.
- 了解伴侣在怀孕愿望中的一致性对于有效的避孕至关重要.
- 之前的研究还没有充分探讨共享怀孕欲望和无避孕套性行为的联系.
研究的目的:
- 调查负面怀孕欲望和精液暴露 (无避孕套性行为的代理) 之间的联系.
- 评估伴侣在怀孕中对精液暴露的欲望对使用避孕套的夫妇对伴侣一致性的影响.
- 通过强调双方伴侣愿望的作用,为避孕咨询策略提供信息.
主要方法:
- 分析了来自越南州500对不同性别夫妇的数据,他们使用避孕套.
- 通过阴道液中的前列腺特异抗原 (PSA) 对女性精液暴露的纵向评估.
- 评估强消极怀孕欲望的伴侣一致性及其与精液暴露的关联,使用日志-二项式概括估计方程.
主要成果:
- 59%的男性和58%的女性报告了强烈的负怀孕欲望,但只有45%的夫妇有一致的欲望.
- 与伴侣一致的强消极欲望的夫妇显示精液暴露的风险降低 (aRR为0.58).
- 至少有一个伴侣有强烈的负怀孕欲望的夫妇与没有伴侣相比,精液暴露率较低 (aRR为0.60).
结论:
- 强烈的渴望防止任何伴侣的怀孕都与减少的无避孕套性行为有关.
- 避孕咨询应纳入双方的怀孕愿望,以获得更好的结果.
- 解决共同的生殖意图可以帮助预防意外怀孕.
更多相关视频
相关概念视频
Birth Control Methods
2.7K
Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...
2.7K
Sexually Transmitted Infections
415
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
415
Criticisms of the Evolutionary Perspective
162
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
162
Gonadal and Placental Hormones
1.8K
The gonads, namely the testes in males and the ovaries in females, are pivotal in producing gonadal hormones that orchestrate the intricate processes of sexual development and reproduction.
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair...
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair...
1.8K
Factors Affecting the Risk of Infection
12.3K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
12.3K
Sex-linked Disorders
103.0K
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
103.0K

