Reproductive medicine

Effect of low-molecular-weight heparin on pregnancy outcomes in Chinese women with recurrent implantation failure undergoing frozen embryo transfer: a double-blind, randomised, placebo-controlled trial
Minmin Cao, Wenjing Wan, Yaxuan Zhang, Yan Zhao, Anmiao Sun, Shanshan Gao, Linlin Cui, Wenting Wang

BMJ Open May 2025, 15 (5) e094528; DOI: 10.1136/bmjopen-2024-094528
Prevalence of unintended pregnancy in the MENA region: a systematic review and meta-analysis
Nazmul Islam, Sadia Mahmood, Humayun Kabir, Saifur Rahman Chowdhury, Usra Elshaikh, Nour Alhussaini, Md Shariful Islam, Mahbuba Jafrin Tania, Tawanda Chivese

BMJ Open Apr 2025, 15 (4) e084016; DOI: 10.1136/bmjopen-2024-084016
Preconception cardiometabolic health in patients seeking fertility services: protocol for a single-site, prospective cohort study
Heather Manning, Hannah M Murphy, John Cullen, Erin L McGowan, Sarah Healey, Deanna Murphy, Sean Murphy, Zhiwei Gao, Edward W Randell, Fabien A Basset, Laurie Twells, Katie Wadden

BMJ Open Apr 2025, 15 (4) e093704; DOI: 10.1136/bmjopen-2024-093704
Association between endometrial echo on transfer day and pregnancy outcomes in thawed embryo transfer: a retrospective cohort study across different preparation protocols
Zhao Run, Song Qianyan, Li Xiaofang

BMJ Open Apr 2025, 15 (4) e094770; DOI: 10.1136/bmjopen-2024-094770
Vaginal Microbiome Research Consortium for Africa: study protocol of a multicentre prospective clinical study to evaluate temporal vaginal microbial composition associated with maintenance of reproductive health in women in South Africa and Kenya
Brian Ronald Kullin, Serah Gitome, Anna-Ursula Happel, Tanya Pidwell, Mellissa Lefevre, Anda Madikida, Pauline Wekesa, Karabo Mahlangu, James Ochieng, Lydia Awili, Winnie Agolla, Rhoda Otieno, Amos Mutharimi, Yacoeb Ganief, Rezeen Daniels, Anika Chicken, Kirsten Welp, Hannah Livingstone, Caleb Swanepoel, Shantelle Claassen-Weitz, Pride Kanyoka, Jacques Ravel, Michael Humphrys, Lisa Bilski, Nicola Mulder, Linda-Gail Bekker, Katherine Gill, Heather Jaspan, Elizabeth Anne Bukusi, Jo-Ann Shelley Passmore

BMJ Open Feb 2025, 15 (2) e090938; DOI: 10.1136/bmjopen-2024-090938
Controlled ovarian hyperstimulation with or without letrozole for fertility preservation in breast cancer patients: study protocol for a randomised controlled trial
Yanqiu Xie, Ping Li, Weifen Deng, Qi Fan, Peng Sun, Jiajing Kang, Kun Wang, Yuhua Shi

BMJ Open Jan 2025, 15 (1) e083943; DOI: 10.1136/bmjopen-2024-083943
Determinants of knowledge of preconception care among healthcare providers in Ethiopia: a systematic review and meta-analysis
Befkad Derese Tilahun, Mulat Ayele, Addis Wondmagegn Alamaw, Tegene Atamenta Kitaw, Eyob Shitie Lake, Biruk Beletew Abate, Gizachew Yilak, Nimona Amena

BMJ Open Jan 2025, 15 (1) e085834; DOI: 10.1136/bmjopen-2024-085834
Comparative cross-sectional study on the prevalence, determinants and willingness to use long-acting reversible contraception among female students attending public and private universities in Ekiti State, Southwest Nigeria
Taofeek Adedayo Sanni, Kabir Adekunle Durowade, Olusegun Elijah Elegbede, Kayode Rasaq Adewoye, Oluseyi Adedeji Aderinwale, Tope Michael Ipinnimo, John Olujide Ojo, Ayo Kamal Alabi, Richard Dele Agbana, Joy Bosan

BMJ Open Jan 2025, 15 (1) e087123; DOI: 10.1136/bmjopen-2024-087123
Association between primary dysmenorrhoea on quality of life, mental health and academic performance among medical students in Indonesia: a cross-sectional study
Herbert Situmorang, Reynardi Larope Sutanto, Kevin Tjoa, Rivaldo Rivaldo

BMJ Open Jan 2025, 15 (1) e093237; DOI: 10.1136/bmjopen-2024-093237
Determining the effect of seminal plasma supplementation on sperm motility in males with asthenozoospermia: a systematic review protocol
Nathalie Dilhara Willathgamuwa, Manodya Kaushani Nammunige, Thennakoon Mudiyanselage Hiranthika Piyumali Thennakoon, Nissanka Mudiyanselage Tanuri Ayanga Nissanka, Manushi Dinasha Withanage Dona, Nishadi Sachinthani Rodrigo, Prassana Varun Logenthiran

BMJ Open Dec 2024, 14 (12) e089058; DOI: 10.1136/bmjopen-2024-089058

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