Ectopic Pregnancy

  • Byron J. Masterson
Part of the Comprehensive Manuals of Surgical Specialties book series (CMSS)


Between 1970 and 1980 the number of hospitalizations in the United States for ectopic pregnancy increased from 17,800 to 52,20010 (Fig. 20-1). This represents an almost threefold increase in the rate of ectopic pregnancy, from 4.8 per 1,000 live births in 1970 to 14.5 per 1,000 in 1980.7 Deaths from ectopic pregnancy expressed as a percentage of all maternal deaths increased from 7.8% in 1970 to 11.5% in 1978.16 The death to case rate, however, decreased almost fourfold from 3.5 per 1,000 ectopic pregnancies in 1970 to 0.9 per 1,000 in 1980.7 In Breen’s series of 654 ectopic pregnancies, 89% of patients had previously been pregnant, demonstrating a high fertility index in this group of patients2; 10% to 20% of ectopic pregnancies resulted from tubal surgery for infertility.4 Of the 654 ectopic pregnancies, 97.7% were located in the tube; the others were located in the abdomen or ovary. Of the 639 tubal gestations, 41% occurred in the distal third of the tube, 38% in the middle third, and the remaining 21% in the proximal third interstitial portion or in the fimbria2 (Fig. 20-2). The common denominator in this group of patients is delay in transport of the ovum fertilized in the ampulla of the tube to the normal implantation site in the uterus.


Obstet Gynecol Ectopic Pregnancy Pelvic Inflammatory Disease Placenta Accreta Tubal Pregnancy 
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Copyright information

© Springer-Verlag New York Inc 1986

Authors and Affiliations

  • Byron J. Masterson
    • 1
  1. 1.Department of Obstetrics and GynecologyUniversity of LouisvilleLouisvilleUSA

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