50 µg: 4.8 30-40: µg 2.7 20 µg: 1.7 (95% CI: not reported) No COCs, no migraine: reference; no COCs, migraine: 3.7 (1.5-9.1) Stratified for type ... risk. COC = Combined oral contraceptive ...

In the April issue of Arthritis Care & Research, Bernier et al. 2 reported that current use of combined oral contraceptives (COCs) is associated with an increased risk of developing SLE (adjusted ...

Worsening of attacks outside the perimenstrual period, if not of great extent, may spontaneously regress in the first 6 months of COC use and not require any particular dose adjustment ...

Taking a progestogen-only 'mini pill' carries a small risk of breast cancer - similar to combined oral contraceptive ... the odds for users of this type of birth control. It shows a tiny risk ...