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Copulation

Early childhood risk and protective factors and their association with adolescent sexual behaviors: A Latent Class Analysis

Qingyang Liu, Sara A. Vasilenko, Xiafei Wang, Rachel A. Razza

published 06 Oct 2025

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Validation of the Multidimensional Sociosexual Orientation Inventory (SOI-M) in the Chilean population

Oriana Figueroa, Pablo Polo, José Antonio Muñoz-Reyes, Rodrigo Ferrer, Gabriela Fajardo, Daniel Torrico-Bazoberry

published 14 Aug 2025

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Iranian postmenopausal women’s perspectives on sexual satisfaction: A qualitative study

Nasim Shahrahmani, Raheleh Babazadeh, Abbas Ebadi

published 23 Jul 2025

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Multi-level factors influencing HIV risk behaviors and oral PrEP use among Black and Latino men with heterosexual contact in New York City

Ohshue S. Gatanaga, Dalila Victoria Lanza, Robert A. Pitts, Ronald S. Braithwaite, Sahnah Lim

published 11 Jul 2025

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Taking the opportunity of COVID testing to screen vulnerable populations for hepatitis B, hepatitis C, syphilis, and human immunodeficiency virus in Central Brazil

Gabriel Francisco da Silva Filho, Antoninho Barros Milhomem, Bruno Vinícius Diniz e Silva, Kamila Cardoso dos Santos, Grazielle Rosa da Costa e Silva, Larissa Silva Magalhães, Winny Éveny Alves Moura, Thaynara Lorrane Silva Martins, Wanessa de Oliveira Gonçalves, Marcia Alves Dias Matos, Roxana Isabel Cardozo Gonzales, Leonora Rezende Pacheco, Regina Maria Bringel Martins, Karlla Antonieta Amorim Caetano, Megmar Aparecida dos Santos Carneiro, Sheila Araújo Teles

published 11 Jul 2025

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Use of female-controlled dual protection methods among adolescent girls and young women living with HIV in Northern Uganda: A convergent mixed-methods study

Edward Kumakech, Deo Benyumiza, Marvin Musinguzi, Wilfred Inzama, Doryn Ebong, James Okello, Lydia Kabiri, Jasper Watson Ogwal-Okeng

published 07 Jul 2025

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Trend and decomposition analysis of factors influencing teenage pregnancy and motherhood in Nigeria, 2003–2018

Mobolaji M. Salawu, Rotimi Felix Afolabi, Ayo Stephen Adebowale, Martin Enock Palamuleni

published 11 Jun 2025

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Factors involved in vulvar pain during sexual activity and persistence in sexual activity amidst pain

Carlotta Oesterling, Amelie Harder, Charmaine Borg, Peter de Jong

published 29 May 2025

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Semen collection, semen analysis and artificial insemination in the kākāpō (Strigops habroptilus) to support its conservation

Dominik Fischer, Helena Schneider, Daryl Eason, Andreas Bublat, Deidre Vercoe, Fiona Robertson, Kākāpō Recovery Team , Bruce C. Robertson, Andrew Digby, Michael Lierz

published 09 May 2025

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Changes and predictors of premarital sex intercourse among never-married women (15–24 years) in Nigeria: A multilevel approach

Joseph Ayodeji Kupoluyi

published 29 Apr 2025

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Prevalence of HIV and willingness to uptake preventive services among female sex workers in Kano State, Nigeria

Godwin Omokhagbo Emmanuel, Paul Umoh, Paul Amechi, Olaniyi Felix Sanni, Roger Abang, Ochonye Bartholomew Boniface, Ismaeel Mohammed Yahaya, Agie Muhmmad Auwal

published 10 Apr 2025

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Factors influencing early sexual initiation among hill tribe youths in Chiang Rai Province, Northern Thailand: A community-based cross-sectional study

Ratipark Tamornpark, Tawatchai Apidechkul, Panupong Upala, Chalitar Chomchoei, Fartima Yeemard

published 08 Apr 2025

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Comparison of HIV prevention indicators among adolescent girls and young women in DREAMS and non-DREAMS intervention districts in Uganda

Norah Namuwenge, Derrick Kimuli, Rebecca N. Nsubuga, Timothy Sserunga, Sheila Nyakwezi, Jaffer Byawaka, Garoma Kena, Solome Sevume, Norbert Mubiru, Barbara Amuron, Daraus Bukenya

published 01 Apr 2025

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