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Combined hormonal contraception (CHC) 

Combined hormonal contraception (CHC)
Combined hormonal contraception (CHC)

Enda McVeigh

, John Guillebaud

, and Roy Homburg

Page of

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date: 23 September 2021

Mechanism of action

Benefits versus risks

Tumour risk and COCs

Cardiovascular disease

Eligibility criteria for COCs

The pill-free interval (PFI) and advice for ‘missed pills’

Drug interactions

Other relevant drugs

Counselling and ongoing supervision

Stopping COCs

Pill follow-up

Other combined methods

Note: valuable information along with references in support of this chapter about combined hormonal contraception (CHC) is available at: ...

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