Effect of four combined oral contraceptives on blood pressure in the pill-free interval

摘要: Abstract Objective -To evaluate blood pressure changes in the pill-free interval and from baseline among women taking four different low-dose monophasic oral contraceptives. Design -131 were randomized to Pressures obtained at baseline, end of treatment cycles 7 days, during 6 months treatment. 4 8 weeks after discontinuation. Group 1 received norethisterone acetate 1000 μg, group 2 levonorgestrel 150 3 desogestrel gestodene 75 all combined with ethinyloestradiol 30μg. Results -All groups showed an increase treatment, return levels At interval, readings did not differ significantly on except for 4, who experienced diastolic pressure. Conclusions -Use contraceptives was associated a small systolic Whatever mechanism causes is entirely reversible by days without