References
- Adams , P. W. , Folkard , J. , Wynn , V. and Seed , M. 1976 . Influence of oral contraceptives, pyridoxine (vitamin B6), and tryptophan on carbohydrate metabolism . Lancet , 1 : 749 – 764 .
- Beck , P. 1975 . Alterations of lipid metabolism by contraceptive steroids . J. Steroid Biochem. , 6 : 961 – 964 .
- Beral , V. 1974 . Oral contraceptives and health . Lancet , 1 (7862) : 1280
- _____ . 1976 . Cardiovascular‐disease mortality trends and oral‐contraceptive use in young women . Lancet , 2 (7994) : 1047 – 1051 .
- Bumpass , L. L. 1973 . Is low fertility here to stay? . Family Plan. Persp. , 5 : 67 – 69 .
- Collaborative Group for the Study of Stroke in Young Women . 1973 . Oral contraception and increased risk of cerebral ischemia or thrombosis . New Eng. J. Med. , 288 : 871 – 878 .
- _____ . Oral contraceptives and stroke in young women: Associated risk factors . JAMA , 231 718 – 722 .
- Inman , W. H. W. and Vessey , M. P. 1968 . Investigation of deaths from pulmonary, coronary, and cerebral thrombosis and embolism in women of child‐bearing age . Brit. Med. J. , 2 : 193 – 199 .
- Jain , A. K. 1977 . Mortality risk associated with the use of oral contraceptives . Stud. Fam. Plan. , 8 : 50 – 54 .
- Kalkoff , R. K. 1975 . Effects of oral contraceptive agents on carbohydrate metabolism . J. Steroid Biochem. , 6 : 949 – 956 .
- Mann , J. I. and Inman , W. H. W. 1975 . Oral contraceptives and death from myocardial infarction . Brit. Med. J. , 2 : 245 – 248 .
- Mann , J. I. , Inman , W. H. W. and Thorogood , M. 1976 . Oral contraceptive use in older women and fatal myocardial infarction . Brit. Med. J. , 2 : 445 – 447 .
- Mann , J. I. , Vessey , M. P. , Thorogood , M. and Doll , R. 1975 . Myocardial infarction in young women with special reference to oral contraceptive practice . Brit. Med. J. , 2 : 241 – 245 .
- Markush , R. E. and Siegel , D. G. 1969 . Oral contraceptives and mortality trends from thromboembolism in the United States . Amer. J. Publ. Health , 59 : 418 – 434 .
- Michael , R. T. and Willis , R. J. 1976 . “ Contraception and fertility: Household production under uncertainty ” . In Household production and consumption , Edited by: Terleckyj , N. E. 27 – 93 . New York : National Bureau of Economic Research .
- Oliver , M. F. 1974 . Ischaemic heart disease in young women . Brit. Med. J. , 4 : 253 – 259 .
- Rosa , F. W. 1976 . Resolving the “public health dilemma” of steroid contraception and its effects on lactation . Amer. J. Publ. Hlth. , 66 : 791 – 792 .
- Royal College of General Practitioners . 1974 . Oral contraceptives and health , London : Pitman Medical .
- Sartwell , P. E. , Masi , A. T. , Arthes , F. G. , Greene , G. R. and Smith , H. E. 1969 . Thromboembolism and oral contraceptives: An epidemiologic case‐control study . Amer. J. Epidemiol. , 90 : 365 – 380 .
- Siegel , D. S. and Markush , R. E. 1969 . Oral contraceptives and relative risk of death from venous and pulmonary thromboembolism in the United States . Amer. J. Epidemiol. , 90 : 11 – 16 .
- Tietze , C. , Bongaarts , J. and Schearer , B. 1976 . Mortality associated with the control of fertility . Family Plan. Persp. , 8 : 6 – 14 .
- Tietze , C. and Jaffe , F. S. 1976 . Implications for consumers and clinicians . Family Plan. Persp. , 8 : 14 – 15 .
- U.S. Department of Health, Education, and Welfare . The Walnut Creek Contraceptive Drug Study , Edited by: Ramcharan , S. Bethesda : National Institute of Child Health and Human Development . n.d.
- _____ . 1976 . Contraceptive utilization among currently married women 15–44 years of age: United States, 1973. National Center for Health Statistics . Monthly Vital Statistics Report , 25 : 1 – 24 .
- Vessey , M. P. 1968 . Venous thromboembolic disease and the use of oral contraceptives . Lancet , 1 (7558) : 94 – 96 .
- Vessey , M. , Doll , R. , Peto , R. , Johnson , B. and Wiggins , P. 1976 . A long‐term follow‐up study of women using different methods of contraception—an interim report . J. Biosoc. Sci. , 8 : 373 – 427 .
- Westoff , C. F. 1976 . Trends in contraceptive practice: 1965–1973 . Family Plan. Persp. , 8 : 54 – 57 .
- Westoff , C. F. and Jones , E. F. 1975 . Discontinuation of the pill and the IUD in the United States: 1960–1970 . Mt. Sinai J. Med. , 42 : 384 – 390 .
- Wynn , V. 1975 . Vitamins and oral contraceptive use . Lancet , 1 (7906) : 561 – 564 .
- Wynn , V. , Adams , P. W. , Folkard , J. and Seed , M. 1975 . Tryptophan, depression and steroidal contraception . J. Steroid Biochem. , 6 : 965 – 970 .