Extended and continuous OC dosing regimens

Michelle M. Isley, Alison Edelman

Research output: Contribution to journalReview articlepeer-review


Oral contraceptive (OC) regimens that manipulate the hormone-free interval are getting more popular now that there are several products specifically approved by the FDA for this indication. Of course, cyclic or monthly withdrawal bleeding when using hormonal contraception is not physiologically necessary. The traditional OC cyclic dosing (21 days of active hormone, 7-day hormone-free interval) was chosen instead for its ability to mimic the natural menstrual cycle and to conform to 1950s' societal pressures - not for its biological superiority.

Original languageEnglish (US)
Pages (from-to)50-54
Number of pages5
JournalContemporary Ob/Gyn
Issue number7
StatePublished - Jul 2008

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Advanced and Specialized Nursing
  • Maternity and Midwifery


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