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Female infidelity

Julia Schroeder, Yu-Hsun Hsu, Isabel Winney, Mirre Simons, Shinichi Nakagawa, Terry Burke
One predicted cost of female infidelity in socially monogamous species is that cuckolded males should provide less parental care. This relationship is robust across species, but evidence is ambiguous within species. We do not know whether individual males reduce their care when paired with cheating females compared with when paired with faithful females (within-male adjustment) or, alternatively, if the males that pair with cheating females are the same males that provide less parental care in general (between-male effect)...
August 2016: American Naturalist
Jessica B Lewis, Tami P Sullivan, Meghan Angley, Tamora Callands, Anna A Divney, Urania Magriples, Derrick M Gordon, Trace S Kershaw
We sought to identify relationship and individual psychological factors that related to four profiles of intimate partner violence (IPV) among pregnant adolescent couples: no IPV, male IPV victim only, female IPV victim only, mutual IPV, and how associations differ by sex. Using data from a longitudinal study of pregnant adolescents and partners (n = 291 couples), we used a multivariate profile analysis using multivariate analysis of covariance with between and within-subjects effects to compare IPV groups and sex on relationship and psychological factors...
May 2, 2016: Aggressive Behavior
Lynna Marie Kiere, Hugh Drummond
Explaining the remarkable variation in socially monogamous females' extrapair (EP) behaviour revealed by decades of molecular paternity testing remains an important challenge. One hypothesis proposes that restrictive environmental conditions (e.g. extreme weather, food scarcity) limit females' resources and increase EP behaviour costs, forcing females to reduce EP reproductive behaviours. For the first time, we tested this hypothesis by directly quantifying within-pair and EP behaviours rather than inferring behaviour from paternity...
July 2016: Journal of Animal Ecology
Amanda Klinger, Ramin Asgary
The prevalence of sexually transmitted infections (STIs) and early pregnancy are high among adolescents in Madagascar. We applied a qualitative descriptive approach to evaluate perceptions, attitudes, and misconceptions regarding STIs and contraception among female and male adolescents ages 15-19 years (n = 43) in Northern Madagascar in 2014 using focus group discussions with open-ended questions. Data were coded and analyzed for major themes. Participants were in the 6th to 12th grade in school; 53% were female...
April 19, 2016: Women & Health
Mariam Okhovat, Alejandro Berrio, Gerard Wallace, Alexander G Ophir, Steven M Phelps
Individual variation in social behavior seems ubiquitous, but we know little about how it relates to brain diversity. Among monogamous prairie voles, levels of vasopressin receptor (encoded by the gene avpr1a) in brain regions related to spatial memory predict male space use and sexual fidelity in the field. We find that trade-offs between the benefits of male fidelity and infidelity are reflected in patterns of territorial intrusion, offspring paternity, avpr1a expression, and the evolutionary fitness of alternative avpr1a alleles...
December 11, 2015: Science
Peggy C Giordano, Jennifer E Copp, Monica A Longmore, Wendy D Manning
We draw on structured and qualitative data to examine relationship dynamics associated with intimate partner violence (IPV) that occurs during the young adult period. Relying on a symbolic interactionist perspective, we identify specific contested domains associated with what has been called 'situational couple violence,' and explore the degree to which certain forms of communication about contested areas ('verbal amplifiers') exacerbate the risk of violence. Consistent with this relational focus, measures index respondent as well as partner concerns and use of these negative forms of communication...
December 2015: Social Forces; a Scientific Medium of Social Study and Interpretation
Wendi L Johnson, Wendy D Manning, Peggy C Giordano, Monica A Longmore
PURPOSE: To assess changes in self-reported intimate partner violence (IPV) experience from adolescence through young adulthood. To examine whether individual change in indicators of relationship context--qualities and dynamics of the relationship, changes in partners, and relationship type (dating, cohabiting, and married)--were associated with change in self-reports of IPV. METHODS: Drawing on longitudinal population-based data, the Toledo Adolescent Relationships Study, we used fixed-effects models to estimate within-person change in associations between features of respondents' intimate relationships and the proportion of relationships with IPV from adolescence through young adulthood...
December 2015: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
Andrew C Halley, Melanie Boretsky, David A Puts, Mark Shriver
Polymorphisms in the dopamine D4 receptor (DRD4) have previously been shown to associate with a variety of human behavioral phenotypes, including ADHD pathology, alcohol and tobacco craving, financial risk-taking in males, and broader personality traits such as novelty seeking. Recent research has linked the presence of a 7-repeat (7R) allele in a 48-bp variable number of tandem repeats (VNTR) along exon III of DRD4 to age at first sexual intercourse, sexual desire, arousal and function, and infidelity and promiscuity...
November 2016: Archives of Sexual Behavior
Elizabeth K Harrington, Shari Dworkin, Mellissa Withers, Maricianah Onono, Zachary Kwena, Sara J Newmann
In sub-Saharan Africa, high burdens of HIV and unmet need for contraception often coexist. Research emphasises the need to engage men and couples in reproductive health, yet couples' negotiations around fertility and family planning in the context of HIV have been sparsely studied. This study examined the gendered power dynamics that frame women's and couples' negotiations of contraceptive use in western Kenya. We conducted 76 in-depth interviews with 38 couples, of whom 22 couples were concordant HIV-positive...
2016: Culture, Health & Sexuality
Antica Culina, Camilla A Hinde, Ben C Sheldon
Initial mate choice and re-mating strategies (infidelity and divorce) influence individual fitness. Both of these should be influenced by the social environment, which determines the number and availability of potential partners. While most studies looking at this relationship take a population-level approach, individual-level responses to variation in the social environment remain largely unstudied. Here, we explore carry-over effects on future mating decisions of the social environment in which the initial mating decision occurred...
October 22, 2015: Proceedings. Biological Sciences
Justin J Lehmiller
INTRODUCTION: Although consensually nonmonogamous (CNM) relationships are presumed to be far riskier for partners' sexual health compared with monogamous relationships, the disparity between them may be smaller than assumed. A growing body of research finds that many partners who have made monogamy agreements cheat, and when they do, they are less likely to practice safe sex than CNM partners. AIM: Extant comparisons of monogamous and CNM relationships are rare and have yet to establish whether rates of sexually transmitted infections (STIs) and STI testing differ between these groups...
October 2015: Journal of Sexual Medicine
D C Geary, M C DeSoto, M K Hoard, M S Sheldon, M L Cooper
The relation between sex hormones and responses to partner infidelity was explored in two studies reported here. The first confirmed the standard sex difference in relationship jealousy, that males (n=133) are relatively more distressed by a partner's sexual infidelity and females (n=159) by a partner's emotional infidelity. The study also revealed that females using hormone-based birth control (n=61) tended more toward sexual jealousy than did other females, and reported more intense affective responses to partner infidelity (n=77)...
December 2001: Human Nature: An Interdisciplinary Biosocial Perspective
Ibrahim E Elsheikh, Rik Crutzen, H W Van den Borne
BACKGROUND: Access to antenatal HIV testing during pregnancy and the level of uptake of services for Prevention of Mother-to-Child Transmission (PMTCT) in Sudan are very low. This study aimed to obtain insights into the perceptions of Sudanese pregnant women toward HIV/AIDS and the use of PMTCT services. METHODS: Ten focus group discussions (FGDs) with women of reproductive age were conducted at community settings in Khartoum (N = 121). Recruitment eligibility included living near or around a PMTCT site and being in the age range of 18-40 years...
2015: BMC Public Health
Gordon G Gallup, Rebecca L Burch, Tracy J Berene Mitchell
Using a sample of 652 college students, we examined several implications of the hypothesis that the shape of the human penis evolved to enable males to substitute their semen for those of their rivals. The incidence of double mating by females appears sufficient to make semen displacement adaptive (e.g., one in four females acknowledge infidelity, one in eight admit having sex with two or more males in a 24-hour period, and one in 12 report involvement in one or more sexual threesomes with two males). We also document several changes in post-ejaculatory behavior (e...
September 2006: Human Nature: An Interdisciplinary Biosocial Perspective
Pranav Dorwal, Simmi Mehra, Amit Pande, Dharmendra Jain, G Smeeta, Ritesh Sachdev, Vimarsh Raina
BACKGROUND: Chronic lymphocytic leukemia (CLL) is one of the commonest leukemias that has been reported extensively throughout the literature. The characteristic phenotype includes co-expression of CD5 and CD23, along with dim expression of light chain and CD22/CD79b, with lack of FMC7. The immunophenotypic scoring system given by Matutes has been used to differentiate CLL from non-CLL chronic lymphoproliferative disorders. Various aberrancies have been described in CLL cases, including abnormal (dim or bright) expression of B cell markers and lineage infidel T cell, myelomonocytic, or rarely Natural killer (NK) cells markers...
September 2015: Cytometry. Part B, Clinical Cytometry
Dorice Agol, Dominic Bukenya, Janet Seeley, Elazabeth Kabunga, Anne Katahoire
Long-term, monogamous, relationships are often portrayed as protective in HIV prevention campaigns. Focusing on marriage in a community in south west Uganda, we examine why and how people enter long term relationships, what their expectations are and what factors sustain those relationships. Qualitative data were collected using in-depth interviews with 50 men and women randomly selected from a General Population Cohort. The results showed that managing expectations to sustain marriage is challenging; however the socio-economic and cultural benefits of marriage: having children, property acquisition as well as securing societal status tend to overshadow the costs associated with risks from infidelity such as sexually transmitted infections (including HIV)...
December 2014: African Journal of Reproductive Health
Mamoru Hashimoto, Shinichi Sakamoto, Manabu Ikeda
OBJECTIVE: Delusional jealousy is a psychotic syndrome characterized by a belief in the infidelity of one's spouse that reaches delusional intensity. Although delusional jealousy has been described in relation to organic psychosis, little is known concerning the actual role of delusional jealousy in dementia. The aim of the present study was to investigate the clinical features of delusional jealousy and possible mechanisms whereby delusional jealousy arises in patients with dementia...
June 2015: Journal of Clinical Psychiatry
Catalina Lazar, Cristina Sanclemente, Laia Ferrer, Cinta Folch, Jordi Casabona
The present study, based on social representation theory (Moscovici, 1961), aimed to identify the social representation of condom use (CU) in a collective of female sex workers (FSW) in Catalonia, considering both their work and private life. It involved 124 FSW and combined both qualitative and quantitative methodologies. Results suggest that both CU and non-CU represent strategies that FSW use mainly when confronted by threats to things they consider important. In work life, where CU is widespread, the most important thing is health protection, and the threat is represented by sexually transmitted infections...
April 2015: AIDS Education and Prevention: Official Publication of the International Society for AIDS Education
Maria De Jesus, Claudia Carrete, Cathleen Maine, Patricia Nalls
OBJECTIVES: The objective of the study was to examine and compare the HIV testing attitudes, perceptions and behaviours between African-American and East African immigrant women in the Washington, DC metropolitan area. METHODS: Adopting an inductive, qualitative methodological approach, we conducted a total of 40 in-depth, semistructured interviews between October 2012 and March 2013. Qualitative thematic analysis was used to analyse the data. RESULTS: Overall, African-American women held more favourable views towards HIV testing than East African immigrant women...
December 2015: Sexually Transmitted Infections
Daniel J Kruger, Maryanne L Fisher, Carey J Fitzgerald
There is a considerable body of literature on infidelity within romantic relationships. However, there is a gap in the scientific literature on factors influencing the likelihood of uninvolved individuals exposing sexual infidelity. Therefore, we devised an exploratory study examining a wide range of potentially relevant factors. Based in part on evolutionary theory, we anticipated nine potential domains or types of influences on the likelihoods of exposing or protecting cheaters, including kinship, strong social alliances, financial support, previous relationship behaviors (including infidelity and abuse), potential relationship transitions, stronger sexual and emotional aspects of the extra-pair relationship, and disease risk...
August 2015: Archives of Sexual Behavior
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