The effect of abortion on the incidence of pre-eclampsia

Daniel S. Seidman, Pnina Ever-Hadani, David K. Stevenson, Rena Gale*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The incidence of pre-eclampsia was studied in 9771 women that were pregnant for the first or second time. The protection offered by a previous pregnancy which ended in abortion was compared to that provided by a first pregnancy that proceeded to term. The rate of pre-eclampsia was 2.9% for primigravid women and was significantly lower (1.5%, p < 0.001) for women giving birth for the second time. Adjusting by multiple regression for confounding factors (e.g., maternal age, social class, ethnic origin and smoking), the incidence of pre-eclampsia was also significantly lower (p = 0.038) following an induced abortion, but not following a spontaneous abortion.

Original languageEnglish
Pages (from-to)109-114
Number of pages6
JournalEuropean Journal of Obstetrics, Gynecology and Reproductive Biology
Issue number2
StatePublished - Nov 1989
Externally publishedYes


  • Abortion
  • Pre-eclampsia


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