Hum. Reprod. Advance Access originally published online on August 27, 2004
Human Reproduction 2004 19(10):2404-2410; doi:10.1093/humrep/deh425
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Effect of advanced provision of emergency contraception on women's contraceptive behaviour: a randomized controlled trial
1 The Family Planning Association of Hong Kong, 9/F 130 Hennessy Road, Hong Kong SAR, 2 Department of Obstetrics and Gynaecology, The University of Hong Kong, Queen Mary Hospital, Pokfulam Road, Hong Kong SAR, China and 3 Department of Obstetrics and Gynaecology, University of Edinburgh, Department of Public Health Policy, University of London School of Hygiene and Tropical Medicine and NHS Lothian Family Planning and Well Woman Services, 18 Dean Terrace, Edinburgh EH4 1NL, UK
4 To whom correspondence should be addressed at: The Family Planning Association of Hong Kong, 9/F Southorn Centre, 130 Hennessy Road, Wanchai, Hong Kong SAR, China. Email: stlo{at}famplan.org.hk
BACKGROUND: Emergency contraception (EC) can prevent pregnancy but is under-used. Advanced provision increases use but the effect on contraceptive behaviour varies. METHODS: Women aged 18–45 years, using less effective contraceptives, were randomized to either advanced provision of three courses of EC (intervention) or to obtaining each course from clinic (control). EC use and contraceptive behaviour were monitored for 1 year. RESULTS: In all, 1030 women were recruited in 6 months. The mean±SD number of courses of EC used in intervention versus control group was 0.56±1.2 versus 0.20±0.6 (P<0.001). In the intervention group, 47% women aged <26 years used at least one course of EC compared with 23% of older women (P<0.001). The majority of women used condoms before (intervention 89%, control 91%) and during the study (89% for both groups). Consistency of contraceptive use was higher during the study (65 versus 60% of women in both groups) (P<0.001). There were 17 unplanned pregnancies, eight in the intervention group, six of whom did not use EC in the conception cycle. CONCLUSIONS: Advanced provision increases EC use especially among young women in Hong Kong. Contraceptive choice and consistency of use remains the same even among young women.
Key words: advanced provision/contraceptive behaviour/emergency contraception/levonorgestrel
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