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Related to chemical pregnancy: ectopic pregnancy
Pregnancy resulting from in vitro fertilization or other reproductive technology, characterized by low levels of HCG and usually miscarriage prior to implantation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.