title: Oestrogen-containing contraceptive pills increase vitamin D levels, study finds.
authors: London.
authors: Susan
authors: S
authors: Mayor
mesh_terms: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens; D006801:Humans; D014807:Vitamin D; D014815:Vitamins
chemical_list: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens; D014815:Vitamins; D014807:Vitamin D