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Effects of Oral Contraceptive Usage on B(12) and Folate Levels
Evidence shows a fall in folate and vitamin B(12) levels in women taking oral contraceptives. These levels do not return to normal until about three months after usage has stopped, but many women become pregnant during this time. This paper examines the evidence for an effect on such pregnancies of...
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| Autor principal: | |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
1985
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2327375/ https://ncbi.nlm.nih.gov/pubmed/21274038 |
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