No abstract available
MeSH terms
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Contraceptive Agents, Hormonal* / administration & dosage
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Contraceptive Agents, Hormonal* / adverse effects
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Female
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Humans
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Intrauterine Devices, Medicated* / adverse effects
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Levonorgestrel* / administration & dosage
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Levonorgestrel* / adverse effects
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Pregnancy
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Pregnancy, Ectopic* / chemically induced
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Pregnancy, Ectopic* / etiology
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Risk
Substances
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Contraceptive Agents, Hormonal
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Levonorgestrel