A long-term follow-up study of women using different methods of contraception--an interim report.

Journal article

In 1968, a prospective study was started in collaboration with the Family Planning Association to try to provide a balanced view of the beneficial and harmful effects of different methods of contraception. This investigation is now in progress at seventeen clinics and over 17,000 women are under observation. At the time of recruitment, all these women were married white British subjects, aged 25-39 years, who voluntarily agreed to participate. Fifty six per cent were usng oral contraceptives,...

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Authors: Vessey, M; Doll, R; Peto, R; Johnson, B; Wiggins, P

• Journal: Journal of biosocial science
• Volume: 8
• Issue: 4
• Pages: 373-427
• Publication date: 1976-10-01
• EISSN: 1469-7599
• ISSN: 0021-9320
• Language: English
• Keywords: Sex Ratio; Prospective Studies; England; Contraception; Pregnancy; Humans; Contraceptives, Oral, Synthetic; Contraceptive Devices, Female; Fetal Death; Mortality; Abortion, Spontaneous; Male; Pregnancy, Ectopic; Female; Patient Acceptance of Health Care; Intrauterine Devices; Pregnancy, Multiple; Fertility; Adult; Disease; Follow-Up Studies