In pursuit of understanding interstitial pregnancies: a rare yet high-risk ectopic pregnancy

In pursuit of understanding interstitial pregnancies: a rare yet high-risk ectopic pregnancy
Implantation of an embryo in the interstitial portion of the fallopian tube leads to an ectopic pregnancy that has an alarming mortality rate of 2.5% (1), seven times greater than that of ectopic pregnancies in general. The difficulties associated with the diagnosis and the surgical skill required for treatment make management of interstitial ectopic pregnancies extremely challenging. Once thought to account for 2% to 4% of all tubal pregnancies, the incidence of interstitial ectopic pregnancy is now up to 7.3% (2) and has been reported to be as high as 35.5% of all ectopic pregnancies after in vitro fertilization (3).
Source: fertstert.org