The website is launched on 29 June 2018

Combined hormonal contraception

Myths & Facts About Hormonal Contraception

Low dose pills are not as effective as higher dose pills

Equal effectiveness of low-dose COCs supported by Cochrane review

  • In a systematic review of 13comparisons of 20 µg versus>20 µg estrogen COCs, there was no difference in pregnancy rates
  • Low-dose estrogen COCsmay provide potential additional benefits:
    • Reduced vascular complications
    • Reduced hormone-withdrawal symptoms
  • Incidences of bleeding irregularities were higher with lower dose estrogen

Gallo MF et al. Cochrane Database Syst Rev 2005;18:CD003989

COC=combined oral contraceptive

COC=combined oral contraceptive

Pills cause acne



  • Follicular plugging
  • Extension of follicle with sebum
  • Comedone rupture
  • Inflammation
  • Inflammatory cascade


  • Androgens : sebum production
  • SHBG : Free testosterone : sebum
  • Oestrogens : sebum


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