The prevalence of abortion and its socio-demographic factors: the case of Ardabil District, Iran • Tavakkol Aghayari Hir, University of Tehran

Unmet need for family planning in Iran • Aliyar Ahmadi, University of Tehran

Health-care seeking and utilization by adolescents for reproductive health problems in sub-Saharan Africa • Fatima H. Ahmed, The Alan Guttmacher Institute ; Alister Munthali, University of Malawi ; Christine Ouedraogo, Unité d' Enseignement et de Recherche en Démographie (UERD) ; Vanessa Woog, The Alan Guttmacher Institute

Perceptions of risk among adolescents in Uganda: are they related to their behaviour? • Fatima H. Ahmed, The Alan Guttmacher Institute ; Richard Kibombo, Makerere Institute for Social Research ; Stella Neema, Makerere Institute of Social Research

Male partners and abortion decision-making in South-western Nigeria • Akanni I. Akinyemi, Obafemi Awolowo University ; Alfred Adewuyi, Obafemi Awolowo University

Sexual and reproductive health in Cuba • Luisa Alvarez

Structures of family organisation and urbanisation in Africa: the case of Cotonou • Denis Amossou-Yeye, Université d’Abomey-Calavi

Adolescent fertility and contraception in India: implications for reproductive health • K. Anilkumar, Tata Institute of Social Sciences

Relationship among contraception, abortion, and fertility: lessons learned from Matlab, Bangladesh • Radheshyam Bairagi, ICDDR,B: Centre for Health and Population Research ; Unnati Rani Saha, ICDDR,B: Centre for Health and Population Research

Family planning and abortion: political discussion and parliamentary decisions • Maria I. Baltar da Rocha, Universidade Estadual de Campinas

Female genital mutilation and sexual behaviour of adolescents in Burkina Faso • Banza Baya, Université de Ouagadougou ; Idrissa Ouili, Unité d' Enseignement et de Recherche en Démographie (UERD)

Evaluating the impact of safe abortion policies and programmes: a conceptual framework and results from recent field studies • Janie Benson, IPAS ; Barbara Crane, IPAS

Improvement in the quality of reproductive health care services: analyses of a RCH intervention project in one of the backward states of India • Pradeep Kumar Bhargava, Population Research Centre, Dharwad, India ; Ragni Bhargava, Society on Population Action, Sustainable Development and Educational Research

There’s no place like home: new approaches to understanding the impact of HIV/AIDS epidemic on children’s education • Tania Boler, London School of Hygiene and Tropical Medicine ; Ian M. Timaeus, London School of Hygiene and Tropical Medicine

Abortion in Thailand • Nongluk Boonthai, Ministry of Public Health, Thailand ; Suwanna Warakamin

Voices of Thai physicians on abortion • Nongluk Boonthai, Ministry of Public Health, Thailand ; Suwanna Warakamin ; Viroj Tangcharoensathien, International Health Policy Program ; Metee Pongkittilah, Ministry of Public Health, Thailand

Access to maternal health services in rural areas: the case of the Boumerdes wilaya • Ouzriat Boualem, CENEAP

Mexico’s demographic policy: experience of three generations of women • Carole Brugeilles, Université de Paris X, Nanterre

Economic choices and constraints facing households affected by HIV/AIDS in Western Africa • Céline Vandermeersch, UNESCO

Sexual and reproductive health among 15 to 24 women in El Salvador: a challenge for health policies • Hellen Larissa Centeno, Independant Consultant

Impact of women's empowerment on contraceptive choices: recent evidence on withdrawal use in contemporary Turkey • Dilek Cindoglu, Bilkent University ; Ibrahim Sirkeci, European Business School London

High incidence of low birth weight children among adolescent mothers in Brazil • Humberto Corrêa, Universidade Estadual de Campinas ; Glaucia dos Santos Marcondes, Universidade Estadual de Campinas

Spatial variation of adolescent fertility and their reproductive health problems in India • Subhra Datta, International Institute for Population Sciences (IIPS) ; Mohua Guha, International Institute for Population Sciences (IIPS)

Induced abortion in Sri Lanka: links between the use of traditional contraceptive methods and unwanted pregnancy • Weraduwage I. De Silva, University of Colombo

Induced abortion • Rebeca de Souza e Silva, UNIFESP

Bifurcated fertility in areas with higher HIV prevalence? Evidence from the 2001-2002 DHS of Zambia • Laurie DeRose, University of Maryland

Land tenure and HIV/AIDS • Mapote Diop

Notification of partners of persons living with HIV: situation in two family planning centres in Abidjan • Anne Marie Rachelle Djangone-Mian ; Idrissa Kone ; Lucien Kouakou

Sexuality, fertility and contraceptive practice among young people in Western Africa • Anne Marie Rachelle Djangone-Mian

Living standards and childhood mortality in the era of HIV/AIDS: Malawi • Henry V. Doctor, University of the Western Cape ; Tukufu Zuberi, University of Pennsylvania

Has the Navrongo project in Northern Ghana been successful in altering fertility preferences? • Henry V. Doctor, University of the Western Cape ; Ayaga A. Bawah, Navrongo Health Research Centre

Social networks and their impact on decisions to terminate early pregnancies: evidence from India • Paramita Dutta, International Institute for Population Sciences (IIPS) ; Subrata Lahiri, International Institute for Population Sciences (IIPS)

Evaluation of the impact of family planning programmes on fertility in East Azerbaijan province: a multilevel modelling approach • Hassan Eini-Zinab, Ministry of Science, Research and Technology

Determinants of induced abortion: an analysis of individual, household and contextual factors in Rajasthan, India • Batya Elul, International Center for AIDS Care and Treatment Programs

Community intervention for HIV/AIDS prevention among young Guineans • Fannie Fonseca-Becker, Johns Hopkins University ; Winnifride Mwebesa, Save the Children ; Jane T. Bertrand, Johns Hopkins University

An assessment of ICPD recommendations for Togo: are the calculations right? • Kuakuvi Gbenyon, Université de Lomé ; Anyélé Xoassi Da Silveira

Perceptions and attitudes towards contraception and abortion: contraceptive practices and fertility levels in Ouagadougou, Burkina Faso • Guiella Georges, Unité d' Enseignement et de Recherche en Démographie (UERD)

Multiple partners and condom use in Burkina Faso • Guiella Georges, Unité d' Enseignement et de Recherche en Démographie (UERD)

Understanding the linkages of domestic violence and reproductive health among adolescent girls in India • Sudeshna Ghosh, International Institute for Population Sciences (IIPS) ; Sanjay K. Mohanty, International Institute for Population Sciences (IIPS)

Results from the National Survey on Reproductive Health in Mexico • Sara González-Gutierrez ; Leopoldo Núñez-Fernández, Centro Regional de Investigaciones Multidisciplinarias

Socio-psychological constructs of premarital and risky sex behaviour among adolescent girls in India • R.S. Goyal, Indian Institute of Health Management (IIHMR)

Assessing the demographic impact of HIV/AIDS on the global health workforce: implications for attainment of the health-related millennium development goals • Neeru Gupta, IDEA International Institute ; Khassoum Diallo, World Health Organization (WHO)

Homo-bisexual trajectories of young Brazilians: the results of a population survey in three Brazilian state capitals • Maria Luiza Heilborn, Universidade do Estado do Rio de Janeiro ; Cristiane Cabral, Universidade do Estado do Rio de Janeiro

Incidence, determinants and consequences of induced abortion in Sri Lanka: two samples of health professionals • Piyadasa Hewage, University of Ruhuna

Abortion caseload at a tertiary-care hospital in Nepal • Rafat Hussain, University of New England, Australia ; Kiran Regmi, University of New England, Australia

Women’s autonomy and utilization of postnatal healthcare services in three impoverished areas of Lebanon • Ghada Ibrahim, American University in Cairo ; Tamar Kabakian-Khasholian, American University of Beirut

Evaluation of reported induced abortion in Bangladesh: evidence from the recent DHS • Mohammad Amirul Islam, University of Southampton

Unplanned pregnancy and risk of abortion among adolescent women in Uttar Pradesh, India • Ruchi Jain, International Institute for Population Sciences (IIPS) ; Abhishek Singh, International Institute for Population Sciences (IIPS)

Delivery and impact of adolescent sexual and reproductive health programmes among peri-urban school children in Uganda • James Kakooza, EUPEK Project, Aga Khan Education Srvices, Uganda

Promoting safer sexual practices among street children in Kinshasa in the era of HIV • Lupwana Kandala, LCIO

Infertility in Karachi: prevalence, health seeking behaviour and social consequences • Mehtab Karim, Aga Khan University ; Neelofar Sami, Aga Khan University

Fertility and contraceptive use among migrant and non-migrant women in Iran • Shahla Kazemi-pour Sabet, Ministry of Science, Iran ; Nader Motie-Haghshenas, Ministry of Science, Iran

Risk-taking behaviours and masculinity issues in youth • Manirul I. Khan, Mahidol University ; Priyakamon Khan, Mahidol University ; Khurshid K. Talukder, Institute of Child and Mother Health

Policies and research findings on induced abortion • Hoang Kim Dzung, Center for Population Studies and Information, Hanoi ; Tran Phuong Mai

What do young couples need? A case study of the Northern Uplands in Viet Nam • Hoang Kim Dzung, Center for Population Studies and Information, Hanoi ; Vo Anh Dung ; Nguyen Thi Thom

Who volunteers to be tested for HIV in Tanzania? • Peter Kintu, Axios International ; Marie-Laure Kürzinger, Espace Santé et Territoire ; Marc Pechevis, Axios International ; Timothy Wakabi, Axios Foundation ; Grace Mbekem, Axios Foundation

Recourse to induced abortion among native and foreign women in Denmark • Lisbeth B. Knudsen, University of Aalborg ; Vibeke Rasch, University of Copenhagen ; Tine Gammeltoft, University of Copenhagen

Two men together: love, sex and risk in the wake of HIV epidemic in India • Ashish Kumar Mishra, Indian Institute of Technology Kanpur ; Arun Kumar Sharma, Indian Institute of Technology, Kanpur ; Shrikant Singh, International Institute for Population Sciences (IIPS) ; Sudipta Mondal, International Institute for Population Sciences (IIPS)

Constructions, perceptions and assessments of drug-induced abortion based on narratives by women in Colombia, Ecuador, Mexico and Peru • María Mercedes Lafaurie, Independent consultant ; Daniel Grossman, Population Council ; Erika Troncoso, Population Council ; Deborah L Billings, IPAS, Mexico ; Susana Chávez, Centro de la Mujer Peruana Flora Tristán

Measuring the prevalence of HIV in sub-Saharan Africa: what adjustments are possible on the basis of antenatal clinic data? • Joseph Larmarange, Université de Paris V, Sorbonne ; Benoît Ferry, Centre Francais sur la Population et le Developpement (CEPED)

Diffusion of the pill in Switzerland, 1961-1997 • Jean-Marie Le Goff, Université de Lausanne

Male fertility, reproductive valuations and sexual practices in Mexico: transformations under way? • Susana Lerner, El Colegio de México ; Olga Rojas, El Colegio de México ; Mario Martínez, El Colegio de México

Female migration to cities and reproductive behaviour in Mali • Marie Lesclingand, Institut National d'Études Démographiques (INED)

A gender perspective relative to misconceptions regarding HIV/AIDS transmission in Botswana • Gobopamang Letamo, United Nations Population Fund (UNFPA)

From perception of AIDS risk to change of behaviour: religion as a determinant in Congo • Benoît Libali, Union pour l’Etude et la Recherche sur la Population et le Développement (UERPOD)

Reproductive health knowledge and practices: the gap between young boys and girls in seven Asian countries • Mary-Odile Lognard, Université Catholique de Louvain ; Catherine Gourbin, Université Catholique de Louvain

Sexual behaviour in rural northern India • Temsumeren Longkumer, International Institute for Population Sciences (IIPS) ; S.K Singh, International Institute for Population Sciences (IIPS) ; Hemkhothang Lhungdim, International Institute for Population Sciences (IIPS)

Alcohol abuse and risky sexual behaviour among the indigenous college students in Shillong, India • Temsumeren Longkumer, International Institute for Population Sciences (IIPS) ; Harish C. Srivastava, International Institute for Population Sciences (IIPS) ; Palaniyandi Murugesan, International Institute for Population Sciences (IIPS)

Determinants of women's involvement in small-scale mining and risks to HIV infection in Tanzania • Ndalahwa F. Madulu, Institute of Resource Assessment

Parental education and child health: evidence from China • Pushkar Maitra, Monash University ; Xiujian Peng, The University of Adelaide ; Yaer Zhuang, China Population Information and Research Center (CPIRC)

Readiness, willingness and ability to use contraception in Bangladesh • Haider R. Mannan, University of Western Australia ; Roderic Beaujot, University of Western Ontario

Covariates and reasons for condom use and non-use among young people in Maseru and Mokhotlong, Lesotho • Ntsoaki Mapetla, National University of Lesotho ; Maletela Tuoane, Department of Social Development, Pretoria

Stillbirths in south-western Siberia during 1963-1991 • Vladimir N. Melnikov, Siberian Independent Institute

Demographic, social and gender factors associated with the use of condoms by adolescents in Mexico • Catherine Menkes, Centro Regional de Investigaciones Multidisciplinarias, UNAM ; Leticia Suárez, Instituto Nacional de Salud Pública (INSP)

Measuring fertility regulation patterns among women in Stip, Republic of Macedonia • Goran Miladinov, Skopje University

Adolescent self reported reproductive morbidity and health care seeking behaviour in Bangladesh • Rahman Mizanur, Jahangirnagar University

Effects of adolescent reproductive health behaviour on fertility in Bangladesh • Noor Mohammad, United Nations Population Fund (UNFPA) ; Suneeta Mukherjee, United Nations Population Fund (UNFPA)

Changing face of sex work in times of the AIDS epidemic: a study of male clients of female sex workers in India • Sudipta Mondal, International Institute for Population Sciences (IIPS)

Provider networks and quality of care for reproductive health services in Nepal • Dominic Montagu, University of California, San Francisco ; Robert McPherson, Independant Consultant ; Anand Tamang, Center for Research on Environment Health and Population Activities, Kathmandu

Providing voluntary counselling and testing for HIV among young people in Uganda • Edith Mukisa, Naguru Teenage Information and Health Centre

Building a relation between patients and care-givers in relation to HIV/AIDS in the hospitals of Guadeloupe and Martinique: a socio-anthropological study • Stéphanie Mulot, Université Aix-Marseille 3, Paul Cézanne

An agent-based model to understand the diffusion of AIDS • Jeronimo O. Muniz, University of Wisconsin at Madison

Infectious diseases including HIV/AIDS in India • Palaniyandi Murugesan, International Institute for Population Sciences (IIPS)

Does access to money determine sexual exposure among unmarried adolescents in Bangladesh? • Marium U. Mutahara, Population Council ; Ismat Bhuiya, Population Council

How to contain HIV/AIDS transmission in Botswana: male involvement in ante-natal services • P. Sadasivan Nair, University of Botswana ; Dan Rakgoasi

Socio-cultural dynamics of adolescent reproductive health in Pakistan • Durre Nayab, Pakistan Institute of Development Economics (PIDE)

Birth intervals and reversible contraception in Sub-Saharan Africa • Kandala Ngianga-Bakwin, Kings College London ; R. William Stones, University of Southampton

Knowledge, attitudes and practices related to abortion in large cities in Cameroon • Emmanuel Ngwe, Institut de formation et de recherche démographiques (IFORD) ; Helene Kamdem Kamgno, Institut de Formation et de Recherche Demographiques (IFORD)

Has the HIV/AIDS epidemic changed sexual behaviour of high-risk groups in Uganda? • James Ntozi, Makerere University ; Innocent Mulindwa ; Fred Ahimbisibwe, JCRC, Uganda ; Natal Ayiga, Makerere University ; Jonathan Odwee, Makerere University

Social consequences of HIV/AIDS: stigma and discrimination in the workplace in Nigeria • Chinwe Nwanna, Department of Sociology, Faculty of Social Sciences,University of Lagos,

Perspectives on the socio-cultural context of adolescent reproductive health behaviour in Nigeria • Olasupo P. Ogunjuyigbe, Obafemi Awolowo University ; Adunola Adepoju, Lagos State University

Patriarchy and men’s reproductive behaviour in Uganda • Tom O. Owuor, Pennsylvania State University

HIV/AIDS Stigma and Discrimination in Nigeria • Kola A. Oyediran, Integrated Manpower Development Centre ; Olaronke Ladipo, Harvard University ; Jennifer Anyanti, Society for Family Health

Determinants of provider intentions in medical abortions in Bihar, India • Lisa Patel, University of North Carolina at Chapel Hill

Developing effective and youth-friendly community-based reproductive health services for rural youth in Zimbabwe • Alford Phiri, Zimbabwe National Family Planning Council ; Annabel Erulkar, Population Council

Medical success and human challenges: reproduction and contraception for people suffering from HIV/Aids • Fabián E. Portnoy, Gobierno de la Ciudad de Buenos Aires ; Monica Gogna, CEDES ; Silvana Weller, Gobierno de la Ciudad de Buenos Aires ; María Majdalani, Universidad de Buenos Aires ; Ariel Adaszko, Gobierno de la Ciudad de Buenos Aires

Emergency contraceptives: provider perspectives in Uttar Pradesh, India • Rajiva Prasad, International Institute for Population Sciences (IIPS) ; Mohan K. Tiwary, International Institute for Population Sciences (IIPS)

Implementation and coverage of Thailand's cervical screening programme • Aree Prohmmo, Mahidol University

Assessing the prevalence and determinants of reported unintended pregnancy amongst young couples in Nepal • Mahesh Puri, Center for Research on Environment Health and Population Activities (CREHPA) ; Roger Ingham, University of Southampton ; Zoe Matthews, University of Southampton

Induced abortion in China in 1990s • Xiaochun Qiao, Peking University

An assessment of quality of antenatal care services: a study in two communes in Viet Nam • Tran Quang Lam, Institute for Population and Social Research

The way they are going: a study of sexual behaviour of urban young males in Puri, India • Usha Ram, International Institute for Population Sciences (IIPS) ; Manas Pradhan, International Institute for Population Sciences (IIPS)

Reproductive and sexual health of the youths engaged in tourism Goa, India • Usha Ram, International Institute for Population Sciences (IIPS) ; Rupali Bhat, Smt. Parbati Bai Chowgale Cultural Foundation College of Arts and Science

Doctors, contraception and abortion in Argentina: an ideological transition? • Silvina Ramos, Centro de Estudios de Estado y Sociedad ; Monica Gogna, CEDES ; Mónica N. Petracci, Centro de Estudios de Estado y Sociedad ; Mariana Romero, Centro de Estudios de Estado y Sociedad ; Szulik Dalia, Centro de Estudios de Estado y Sociedad

Women's status and contraceptive use in Egypt • Sonya Rastogi, University of Maryland ; Kim Nguyen, University of Maryland

Couples life style and domestic violence in India: a micro-level investigation based on the National Family Health Survey II of 1999 • Kulasekaran Ravishankar, Annamalai University ; Ram Ramachandarn, Annamalai University ; Anjaneyulu Subbiah, Annamalai University

Participation of males in decision-making as indicator of their perceived involvement in reproductive and child health in Tamil Nadu, India • Kulasekaran Ravishankar, Annamalai University ; Ram Ramachandarn, Annamalai University

Inter-pregnancy intervals and maternal morbidity in Matlab, Bangladesh • Abdur Razzaque, ICDDR,B: Centre for Health and Population Research ; Julie DaVanzo, RAND ; Mehrab A. Khan, Bangladesh Centre for Communication Programs

Behind the curtain: when an adolescent girl becomes a married woman • Ubaidur Rob, Population Council ; Mohammad N. Talukder, Population Council

The stability of the abortion rate in France • Clementine Rossier, Institut National d'Études Démographiques (INED)

Infertility and late maternity • Nina Rusanova, Institute for Socio-Economic Problems of Population RAS

Covariates of syphilis and HIV infection in Kenya and Zambia • Shea Rutstein, ORC Macro ; Kiersten Johnson, ORC Macro

Addressing men’s sexuality to prevent STD and HIV transmission in the slums of Mumbai, India • Niranjan Saggurti, International Institute for Population Sciences (IIPS) ; Rama Rao Garimella, International Institute for Population Sciences (IIPS) ; Stephen L. Schensul, University of Connecticut ; Ravi K. Verma, Population Council ; Rajendra Singh, International Institute for Population Sciences (IIPS)

Discontinuation of contraceptives and method switching in rural Bangladesh • Unnati Rani Saha, ICDDR,B: Centre for Health and Population Research ; Nashid Kamal Waiz, Independent University ; Radheshyam Bairagi, ICDDR,B: Centre for Health and Population Research

Regional and sub-regional levels and determinants of adolescent fertility in Colombia • Andrés Salazar

Reproductive health and restrictions on family size in Viet Nam: the coexistence of two programmes • Catherine Scornet, Université de Provence ; Bach Kim Duong Thi, Comité national des sciences sociales et humaines, Viêt-Nam

Domestic violence and risk of STIs among Indian women • Manisha Sengupta, U.S. Census Bureau ; Nan Johnson, Michigan State University

Socio-economic impact of HIV/AIDS deaths on households in India and coping strategies: a study of well being of children • Shrikant Singh, International Institute for Population Sciences (IIPS)

Entering adulthood: attitudes of adolescent boys regarding virginity, premarital sex and sexually transmitted diseases in Indonesia • Augustina Situmorang, National University of Singapore

Correlates of syphilis in men and women in Zambia • Emma Slaymaker, London School of Hygiene and Tropical Medicine ; Helene Voeten, University of Rotterdam

Cohabitation and partnership context at the time of first birth in Romania • Nina B. Stanciu, Ministry of Public Finance, Romania

Communicating contraceptive effectiveness • Markus Steiner, Family Health International ; James Trussell, Princeton University ; Neha Metha, Family Health International ; Maxine Wedderburn, Hope Enterprises, Ltd. ; Sumathi Subramaniam, Independent consultant

Social stratification and adolescent pregnancy in Mexico • Claudio M. Stern, El Colegio de México

Assessment of the quality of care at birth in Mexico • Leticia Suárez, Instituto Nacional de Salud Pública (INSP) ; Bernardo Hernández, Instituto Nacional de Salud Pública (INSP) ; Dilys Walker, Instituto Nacional de Salud Pública (INSP)

Knowledge and use of modern contraceptives among Muslim women in Zaria, Nigeria • Sa'adatu Sule, Ahmadu Bello University, Zaria ; Hajara Umar, Ahmadu Bello University ; Nana Madugu, Ahmadu Bello University

Prevalence and factors associated with discontinuation of contraceptive use in rural areas of Peshawar, Pakistan • Najma Sultana, Gates Institute and John Hopkins University

Do individual and programme factors matter in the utilization of maternal care services in rural India? • Thankam Sunil, University of Texas at San Antonio ; S. Rajaram, J.S.S. Institute of Economic Research ; Lisa K. Zottarelli, Texas Woman's University

Quality of family planning services and contraceptive use dynamics among populations with limited mobility in the western Chitwan Valley of Nepal • Elizabeth G. Sutherland, University of North Carolina at Chapel Hill

Socio-economic determinants of HIV/AIDS: a case-control study • Krsihnasami Swaminathan, Bharathiar University

The importance of sources of information for STI/AIDS awareness and use of protection methods among young people • Valérie Thierry Tchabewou, Université de Montréal

Influence of family supervision on the start of sexual activity and risky sexual behaviour among adolescents • Valérie Thierry Tchabewou, Université de Montréal

Indigenous migrant prostitutes and public health policy in Mexico City • Patricio Villalva

Orphan crisis in Zimbabwe: rising incidence • Helen Watts, Imperial College ; Benjamin A. Lopman, Imperial College ; Constance Nyamukapa, Biomedical Research & Training Institute ; Simon Gregson, Imperial College

Provincial residence and active syphilis infection among Zambian men and women • Antonia M. Welch, Harvard University

Adolescent childbearing in Eritrea: an analysis of trends, determinants and health consequences • Gebremariam Woldemicael, University of Asmara

Gender and medication use among older women and men in Ismailia, Egypt • Kathryn M. Yount, Emory University ; Zeinab Khadr, American University in Cairo

Quality of care in reproductive health: towards a rights-based approach • Zhenzhen Zheng, Institute of Population and Labor Economics, Chinese Academy of Social Sciences

Addressing contextual factors using participatory learning and action among adolescents in China • Yingying Zhou, University of Washington ; Qian Geng, Program for Appropriate Technology in Health (PATH) ; Yongfeng Liu, China Family Planning Association

Consensual unions in Burkina Faso: prevalence, trends and determinants • Younoussi Zourkaleini, Université de Ouagadougou and Université de Montréal

A Technique for Estimating Life Expectancies at Older Ages in Destabilized Populations with Application to Some Developed and Less Developed Countries • Subrata Lahiri, International Institute for Population Sciences (IIPS)