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Women's Preferences for Penis Size: A New Research Method Using Selection among 3D Models
Abstract and Figures
Women’s preferences for penis size may affect men’s comfort with their own bodies and may have implications for sexual health. Studies of women’s penis size preferences typically have relied on their abstract ratings or selecting amongst 2D, flaccid images. This study used haptic stimuli to allow assessment of women’s size recall accuracy for the first time, as well as examine their preferences for erect penis sizes in different relationship contexts. Women (N = 75) selected amongst 33, 3D models. Women recalled model size accurately using this method, although they made more errors with respect to penis length than circumference. Women preferred a penis of slightly larger circumference and length for one-time (length = 6.4 inches/16.3 cm, circumference = 5.0 inches/12.7 cm) versus long-term (length = 6.3 inches/16.0 cm, circumference = 4.8 inches/12.2 cm) sexual partners. These first estimates of erect penis size preferences using 3D models suggest women accurately recall size and prefer penises only slightly larger than average.
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... While no clear consensus seems to exist regarding the relationship between men's penis size and women's preferences (Štulhofer, 2006;Mautz et al., 2013;Prause et al., 2015), or their sexual satisfaction (Eisenman, 2001), it is arguably fairly well-established that this particular factor Frontiers in Psychology 02 frontiersin.org constitutes a conspicuous marker of masculinity (Lehman, 1998;Lever et al., 2006;Ostberg, 2010). ...
... For example, one study on more than 50,000 heterosexual men and women found that only 55% of men were satisfied with their penis size, although 85% of women expressed satisfaction with their partner's penis size (Lever et al., 2006). Nevertheless, a more recent study found that 20% of women reported having ended a relationship partly because their partner's penis size was too small for their personal preferences (Prause et al., 2015). Moreover, Lever et al. (2006) found that almost 9 of 10 men self-reported their penis as either average or large, while only 12% of men reported it to be small. ...
Bodily markers, often self-reported, are frequently used in research to predict a variety of outcomes. The present study examined whether men, at the aggregate level, would overestimate certain bodily markers linked to masculinity, and if so, to what extent. Furthermore, the study explored whether the amount of monetary rewards distributed to male participants would influence the obtained data quality. Men from two participant pools were asked to self-report a series of bodily measures. All self-report measures except weight were consistently found to be above the population mean (height and penis size) or the scale midpoint (athleticism). Additionally, the participant pool that received the lower (vs. higher) monetary reward showed a particularly powerful deviation from the population mean in penis size and were significantly more likely to report their erect and flaccid penis size to be larger than the claimed but not verified world record of 34 cm. These findings indicate that studies relying on men's self-reported measures of certain body parts should be interpreted with great caution, but that higher monetary rewards seem to improve data quality slightly for such measures.
... However, in this study, CLAMPMED® reduced the number of pads but did not improve the QOL. The average Japanese penis size is 7.9 ± 2.0 cm around 70 years old, while the overseas average is around 15 cm [10,11]. Although it is not possible to make a simple comparison, we believe that overseas markets are more accessible than those in Japan. ...
Objectives
To verify the effects of penile clamping on the degree of stress urinary incontinence and quality of life in post-radical prostatectomy patients.
Results
Thirty-seven patients suffering from stress urinary incontinence after undergoing radical prostatectomy were enrolled. A total of 19 and 18 patients were analyzed in the non-clamp and clamp groups, respectively. The mean ages of the patients in non-clamp and clamp groups were 68.3 ± 7.1 years and 71.2 ± 4.8 years, respectively; the mean time after radical prostatectomy was 28.9 ± 44.0 months and 26.2 ± 39.0 months, respectively. The penile clamp used was the CLAMPMED® (URINE CONTROL CLAMP) size M (MURANAKA MEDICAL INSTRUMENTS Co., Ltd.). Specific urinary care pads (Sawayaka Pad for Men, Small Quantity®, Unicharm Corporation), were provided; the average daily usage was monitored for four weeks. The quality of life was evaluated using the King’s Health Questionnaire. The average daily use of urinary care pads was significantly reduced in the clamp group than in the non-clamp group (-0.83 ± 1.51 vs. -0.16 ± 0.69, P = 0.0071). King’s Health Questionnaire scores did not change significantly in either group. Wearing the CLAMPMED® reduced the amount of urinary incontinence but did not improve the quality of life.
Trial registration
The Japan Registry of Clinical Trials (jRCT1052230083). Registered 2 August, 2023.
... "Real sex" will not feel like porn sex looks. Both authors also have the experience of many men, particularly younger ones, overestimating the importance of greater than average penile length and turgidity for partner satisfaction [16]. It is the author's mutual opinion that pornography can be used in a healthy way by anyone who chooses to utilize it for sexual gratification. ...
Purpose of Review
Erectile dysfunction (ED) is an increasingly common concern that has been a topic of interest to men (and their partners) since time immemorial. In the year 2023, we mark a quarter century since selective phosphodiesterase type 5 inhibitors (PDE5I) came to market as the first United States Food and Drug Administration (USFDA) approved oral pharmacotherapy for ED.
Recent Findings
The past 25 years have seen a major shift in public discourse on sexuality and sexual dysfunction, to a large extent prompted by the safety and ease of availability of these drugs. The positive impact of the drug on men and their partners is undeniable. The advent of PDE5I has not been without controversy, and in some regards, the sheer simplicity of the drugs’ use may have compromised consideration of more deep-seated psychological and interpersonal dimensions of sexuality.
Summary
The clear link between ED and cardiovascular disease and even mortality also underscores how simply taking a pill to address the immediate goal of a rigid penis may lead to the person with ED overlooking potentially serious medical problems, of which ED may be a harbinger. In this manuscript, we outline our perspectives on use (and misuse) of PDE5I as a certified sex therapist and a board-certified urologist with interest in sexual medicine. We highlight areas of agreement and disagreement and hopefully provide readers of all disciplines with perspectives on how to optimize sexual wellness for all of our patients, with or without PDE5I.
... Men with small penis anxiety are more likely to have unsatisfactory intercourse and attempt to alter their penis size 1,2 . Approximately 45% of men desired a larger penis 3 . Penile ller injections have become the main treatment for small penis syndrome because they are safe, less invasive, and cheaper than other surgical choices 4,5 . ...
Background
The efficacy and safety of filler injection were approved and have become the main choice for penile augmentation (PA). Traditionally, the PA for patients with phimosis or redundant prepuce has been a two-stage surgery-male circumcision first and hyaluronic acid (HA) injections then. We introduced a one-stage procedure for these patients to reduce the cost and recovery time.
Methods
Eighty-three men who received one-stage male circumcision and HA injection simultaneously in a regional hospital from January 2018 to December 2019 were retrospectively reviewed. In the male circumcision, the penile skin was sharply resected to preserve the integrity of the superficial fascia. HA was injected into the space between the superficial fascia and the deep fascia of the penis. Patients were followed up at 3 months, 6 months, and 12 months after the surgery. Penile maximal girth, patients’ satisfaction level for (using a 5-point scale, with 1 indicating very dissatisfied and 5 indicating very satisfied.) penile appearance and surgical complications were recorded during follow-up.
Results
Eighty-three men (aged 35.72 ± 4.73 years) received one-stage male circumcision and HA injection surgery. The dosage of HA was 16.10 ± 2.32 ml. The penile maximal girth growth was 2.33 ± 1.27 cm, 1.80 ± 1.11 cm, and 1.31 ± 0.71 cm at the 3-month, 6-month, and 12-month follow-ups, respectively. The satisfaction level for penile appearance was 2.5 ± 0.9 on the final follow-up The complications included 1 (1.2%) infection and 1 subcutaneous bleeding (1.2%). No HA leakage happened.
Conclusion
One-stage simultaneous male circumcision and HA injection were proven to ensure surgical efficacy and safety for men reporting a small penis with redundant prepuce or phimosis.
Male dissatisfaction with the penis size is the most common manifestation of penile dysmorphophobia. Despite the diversity of penis enlargement methods a single safe technique that fully satisfies patients has not yet been developed.The aim of this work is to compare the results of a combined operation on installation of a silicone implant or a collagen matrix impregnated with autologous stem cells with simultaneous ligamentotomy to increase the length and circumference of the penis.In 2017–2022 there were performed penis enlargement surgeries in 2 centers. In Public Non-Profit Organization Of The Kharkiv District Council «Kharkiv Regional Clinical Center Of Urology And Nephrology Named After V.I.Shapoval (Kharkiv, Ukraine) 38 patients from Ukraine and Poland were operated by Professor Knigavko O.V. with implantation of a porous Max Pol matrix (manufactured by Dersmithson, M.D. Choi), and in the “Mexico phalloplastic center” (Mexico city, Mexico) by Dr. Aguilar I.E. implantation of non-absorbable silicone implants in 36 patients was perfomed. The results of penis enlargement were evaluated in the early (2 months) and long-term (6 months) terms.While implanting a silicone implant the majority of the patients – 31 (86.1%) are satisfied with the result, 27 (75%) patients mention an improvement in sexual life, 31 (86.1%) also mention an increase in their own self-sufficiency. At the same time, some patients mentioned the following complications: 2 (5.6%) patients mentioned displacement of the silicone matrix, 1 (2.8%) patient mentioned prolapse of the matrix, 1 (2.8%) patient mentioned a decrease in erection (which did not improve after removal of the matrix), in 1 (2.8%) case the silicone implant had to be removed due to the fact that the patient did not liked the appearance.While using a collagen-like matrix made of polymerized polylactic acid impregnated with own stem cells in 38 patients, we haven’t seen any complications that caused the removal of the matrix. However, 5 (13.2%) patients required additional polylactic acid gel injections between 6 and 36 (97.4%) months to optimize the shape or volume of the penis. 34 (89.5%) patients mentioned an improvement in the sexual function and sexual sensations of their partner, harmonization of relationships in a couple, and 36 (97.4%) men – an increase in a sense of self-sufficiency.Thus, modern implants can improve the size and appearance of the penis, improve the quality of sexual life and the feeling of self-sufficiency in operated men. The use of silicone implants is simpler, almost does not require specific rehabilitation after surgery, however, in a small part of patients prolapse of the prosthesis and dissatisfaction with the final result are present. Most of operated patients were satisficed results of silicone implant. The use of a polymer matrix impregnated with own stem cells requires a special laboratory, more time for preoperative and postoperative rehabilitation, however, it is more physiological and can be considered as a standard for safe penis enlargement.
There is limited research into the morphology of sex toys, and specifically into (the often phallic-shaped) vibrators and dildos and what they may represent in terms of user preferences for male genital morphology. This study provides insight into consumer preference around vaginally insertable sex toys, their features, and what contributes to their popularity. Using a data set compiling information from the world's largest online sexual wellness retailer Lovehoney, we examined the dimensions, price, and morphological features of 265 sex toys designed for vaginal insertion to determine what contributes to item popularity. Using regression models, we found that realistic features did not predict item popularity, whereas price (p < .001) and circumference (p = .01) significantly predicted the overall popularity of a toy. It appears that consumers show a preference for insertable sex toys that are not direct replicas of the male penis, which suggests they are not seeking a realistic partner substitute. Further, we found that the length of the toy did not significantly predict popularity which is consistent with other work showing that women do not place considerable emphasis on large phallus size. Our results can contribute to future product design and marketing, as well as reveal preferences toward particular characteristics of the phallus (whether real or toy).
Background Relationship type and perception of importance of the relationship may be predictors of condom use.
Methods Men who presented at STD clinics in New Orleans, LA and Jackson, MS with NGU, tested positive for Chlamydia trachomatis (Ct), or were contacts of women with Ct underwent computer-assisted/self-administered interviews and were asked to report information on up to 4 sexual partners in the last two months. Importance of relationship was determined using 4 variables: having history together, shared feelings, commitment to each other, and physical passion.
Results 1065 men reported information on 1924 partnerships; 98.9% of which were with women, 47% were considered main, but only 30% of the men lived with and 6% were married to main partners. Relationships were described as: girlfriend/boyfriend (32%), mother-of-child (6.8%), friend-with-benefit (26.4%), sex with but not friend (6.2%), ex-girlfriend/boyfriend (9.1%), someone I want to have relationship with (5.8%), one night stand (12.3%), paid for sex (1.4%). Most (82.1%) had sex in a home, while 11.3% in hotel, and 6.6% in public place/other. Importance of relationship variables by relationship (most important to least 1–8) were: girlfriend/boyfriend (1.1) and mother-of-child (1.7), and someone I might want to have a relationship (2.6), ex-girlfriend/boyfriend (3.7), friend-with-benefit (5.3), sex but not friend (6.8), paid for sex (7.1) and one night stand (7.2). The less important the relationship was, the more likely they were to be using a condom O.R. 1.13 (95% C.I. 1.08–1.18). Condom use at last sex act was least likely with the mother of child (34.5%) and most likely with paid to have sex (91.7%). Condom use was between 51% - 78% for the other categories.
Conclusion In general, condoms were used more frequently with partners whose relationships were perceived as less important, but this was not universal.
This study examined the associations among the frequency of viewing Internet pornography, beliefs about how realistically pornography portrays sex, self-perceived effects of one's pornography use, genital appearance satisfaction, and sexual self-esteem in young adults. Online data were collected from four convenience samples of university students from Norway and Sweden, members of a queer youth organization, and readers of an erotic magazine. Because of cultural similarities and the comparable magnitude and patterns of the bivariate correlations among the samples on the study variables, they were pooled into a single sample (N = 1,274). The majority of men (81.1%) and a minority of women (18.1%) reported at least weekly use of Internet pornography on their personal computers, whereas using a mobile phone or tablet was less common. Most of the participants had sought mainstream pornographic content. Those with a stronger belief in pornographic realism were more likely to perceive the effect of pornography use positively. A hypothesized relationship between self-perceived positive effects of pornography use and a higher level of sexual self-esteem was found for men but not for women. This result was partially due to higher satisfaction with genital appearance among the men who mainly watched mainstream pornography. Genital appearance satisfaction was linked to higher sexual self-esteem for women, but it was not related to the self-perceived effect of pornography use. The results indicate that pornography may expand personal sexual scripts for both men and women, and may have a positive, although modest, influence on the sexual self-esteem of young male adults.
One hundred ten heterosexual individuals (67 men; 43 women) responded to questions related to penis size and satisfaction. Men showed significant dissatisfaction with penile size, despite perceiving themselves to be of average size. Importantly, there were significant relationships between penile dissatisfaction and comfort with others seeing their penis, and with likelihood of seeking medical advice with regard to penile and/or sexual function. Given the negative consequences of low body satisfaction and the importance of early intervention in sexually related illnesses (e.g., testicular cancer), it is imperative that attention be paid to male body dissatisfaction. (PsycINFO Database Record (c) 2014 APA, all rights reserved)
Waist-to-hip ratio (WHR) is an important ornament display that signals women's health and fertility. Its significance derives from human development as a bipedal species. This required fundamental changes to hip morphology/musculature to accommodate the demands of both reproduction and locomotion. The result has been an obstetric dilemma whereby women's hips are only just wide enough to allow the passage of an infant. Childbirth therefore poses a significant hip width related threat to maternal mortality/risk of gynecological injury. It was predicted that this would have a significant influence on women's sexual behavior. To investigate this, hip width and WHR were measured in 148 women (M age = 20.93 + 0.17 years) and sexual histories were recorded via questionnaire. Data revealed that hip width per se was correlated with total number of sexual partners, total number of one night stands, percentage of sexual partners that were one night stands, number of sexual partners within the context of a relationship per year sexually active, and number of one night stands per year sexually active. By contrast, WHR was not correlated with any of these measures. Further analysis indicated that women who predominantly engaged in one night stand behavior had wider hips than those who did not. WHR was again without effect in this context. Women's hip morphology has a direct impact on their risk of potentially fatal childbirth related injury. It is concluded that when they have control over this, women's sexual behavior reflects this risk and is therefore at least in part influenced by hip width.
The idea that faces are represented within a structured face space (Valentine Quarterly Journal of Experimental Psychology 43: 161-204, 1991) has gained considerable experimental support, from both physiological and perceptual studies. Recent work has also shown that faces can even be recognized haptically-that is, from touch alone. Although some evidence favors congruent processing strategies in the visual and haptic processing of faces, the question of how similar the two modalities are in terms of face processing remains open. Here, this question was addressed by asking whether there is evidence for a haptic face space, and if so, how it compares to visual face space. For this, a physical face space was created, consisting of six laser-scanned individual faces, their morphed average, 50 %-morphs between two individual faces, as well as 50 %-morphs of the individual faces with the average, resulting in a set of 19 faces. Participants then rated either the visual or haptic pairwise similarity of the tangible 3-D face shapes. Multidimensional scaling analyses showed that both modalities extracted perceptual spaces that conformed to critical predictions of the face space framework, hence providing support for similar processing of complex face shapes in haptics and vision. Despite the overall similarities, however, systematic differences also emerged between the visual and haptic data. These differences are discussed in the context of face processing and complex-shape processing in vision and haptics.
Categorization of seen objects is often determined by the shapes of objects. However, shape is not exclusive to the visual modality: The haptic system also is expert at identifying shapes. Hence, an important question for understanding shape processing is whether humans store separate modality-dependent shape representations, or whether information is integrated into one multisensory representation. To answer this question, we created a metric space of computer-generated novel objects varying in shape. These objects were then printed using a 3-D printer, to generate tangible stimuli. In a categorization experiment, participants first explored the objects visually and haptically. We found that both modalities led to highly similar categorization behavior. Next, participants were trained either visually or haptically on shape categories within the metric space. As expected, visual training increased visual performance, and haptic training increased haptic performance. Importantly, however, we found that visual training also improved haptic performance, and vice versa. Two additional experiments showed that the location of the categorical boundary in the metric space also transferred across modalities, as did heightened discriminability of objects adjacent to the boundary. This observed transfer of metric category knowledge across modalities indicates that visual and haptic forms of shape information are integrated into a shared multisensory representation.
This study aimed to assess the penile length–somatometric parameters relationship in healthy Egyptian men. Two thousand physically normal men (22–40 years) were subjected to measurement of stretched penile length, glans penis, testis size, index finger, weight, height, span, body mass index (BMI), waist circumference, hip circumference and waist/hip ratio. The mean stretched penile length of the studied subjects was 13.84 ± 1.35 cm (range 12–19 cm), and the mean glans penis length was 2.6 ± 0.4 cm (range 1.7–3.8 cm). Penile length demonstrated positive significant correlation with glans penis length, index finger length, BMI and significant negative correlation with waist/hip ratio. On the other hand, penile length demonstrated nonsignificant correlation with age, weight, height, waist circumference, span or testicular size. It is concluded that the penile length-somatometric parameters relationship in healthy Egyptian men is mostly related to glans penis and index finger lengths.
Human mate choice is complicated, with various individual differences and contextual factors influencing preferences for numerous traits. However, focused studies on human mate choice often do not capture the multivariate complexity of human mate choice. Here, we consider multiple factors simultaneously to demonstrate the advantages of a multivariate approach to human mate preferences. Participants (N=689) rated the attractiveness of opposite-sex online dating profiles that were independently manipulated on facial attractiveness, perceived facial masculinity/femininity, and intelligence. Participants were also randomly instructed to either consider short- or long-term relationships. Using fitness surfaces analyses, we assess the linear and non-linear effects and interactions of the profiles’ facial attractiveness, perceived facial masculinity/femininity, and perceived intelligence on participants’ attractiveness ratings. Using Hierarchical Linear Modeling, we were also able to consider the independent contribution of participants’ individual differences on their revealed preferences for the manipulated traits. These individual differences included participants’ age, socioeconomic status, education, disgust (moral, sexual, and pathogen), sociosexual orientation, personality variables, masculinity, and mate value. Together, our results illuminate various previously undetectable phenomena, including nonlinear preference functions and interactions with individual differences. More broadly, the study illustrates the value of considering both individual variation and population-level measures when addressing questions of sexual selection, and demonstrates the utility of multivariate approaches to complement focused studies.