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the implantation of a fertilized ovum outside the uterus but within the peritoneal cavity. See also ectopic pregnancy.
ab·dom·i·nal ges·ta·tion(ab-dom'i-năl jes-tā'shŭn)
An extrauterine pregnancy in which the embryo develops in the peritoneal cavity.
Ectopic pregnancy in which the embryo develops in the abdominal cavity.
See also: gestation