Ectopic pregnancy with oral contraceptive use has been overlooked

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Walter L Larimore, associate clinical professor (wlarimore@pol.net),
Joseph B Stanford, assistant professor (jstanford@dfpm.utah.edu)

Department of Family Medicine, University of South Florida, Tampa, FL 34744-5817, USA
Department of Family and Preventive Medicine, University of Utah, Salt Lake City, UT 84132, USA

EDITOR—In their review of ectopic pregnancy, Tay et al report that previous female sterilisation and current use of an intrauterine contraceptive device are risk factors only when patients with ectopic pregnancy are compared with pregnant controls and not with non-pregnant women.1 However, we published a review on the effects of oral contraceptives after fertilisation, in which we reviewed data indicating that the ratio of extrauterine to intrauterine pregnancies is increased for women taking combined oral contraceptives and progestogen only pills, …