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Problems

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • need for forward planning, self restraint and co-operation of partner

  • methods are unreliable:
    • post-natally
    • post-pill
    • irregular cycle
    • menopause
    • travel
    • drugs
    • emotional or physical upset

The failure rate is 3 to 9% or higher.

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