An ectopic pregnancy developing in the fallopian tube.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
[ (tooh-buhl, tyooh-buhl) ]
A pregnancy that begins with implantation of the embryo in one of the fallopian tubes instead of in the uterus. Tubal pregnancy is usually caused by a defect in the tube that prevents the fertilized ovum from moving freely through it.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.