Article Text

Download PDFPDF
Oral contraceptives


Oral contraceptives have now been used by some women for more than six years, and have been the subject of a number of mass studies. These studies establish beyond doubt that when a progestogen and oestrogen combination is taken orally in recommended dosage for 20 days in each cycle, the method is virtually 100 per cent effective; all failures can probably be attributed to misunderstanding or negligence on the part of the patient.

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.