Trinordiol
National Institutes of Health
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Low serum concentrations of vitamin B12 (cobalamin) have been observed in users of oral contraceptives (OCs) (1), in women during…
Levonorgestrel (LNg) is known for its marked progestational/contraceptive activity. As shown in animal experiments, however, high…
A long-term, multi-centre open study was carried out to evaluate the efficacy, cycle control and side-effects with a triphasic…
Seven hundred and fifty cycles of treatment with a new triphasic oral contraceptive (WL-49(50). 'Trinordiol') containing the…