the hypothesis that maternal fever during pregnancy is a risk factor for spontaneous abortion was tested in a case-control study by comparing the frequencies and timing of fevers of 100 f ( 37.78 c ) or more among three groups of women : women having euploid abortions , women having aneuploid abortions , and women delivering at 28 weeks gestation or later ( controls ) .
C0000786
spontaneous abortion
C0156543
abortions