No abstract available
MeSH terms
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Abortion, Spontaneous / etiology
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Adult
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Contraception / methods*
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Contraceptive Devices, Female / adverse effects
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Contraceptives, Oral, Synthetic / adverse effects
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Contraceptives, Oral, Synthetic / pharmacology
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Disease / etiology
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England
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Female
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Fertility
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Fetal Death / etiology
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Follow-Up Studies
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Humans
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Intrauterine Devices / adverse effects
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Male
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Mortality
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Patient Acceptance of Health Care
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Pregnancy
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Pregnancy, Ectopic / etiology
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Pregnancy, Multiple
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Prospective Studies
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Sex Ratio
Substances
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Contraceptives, Oral, Synthetic