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Medical Definition of Extrachorial pregnancy
1. Pregnancy in which the membranes rupture and shrink, causing the foetus to develop outside the chorionic sac but within the uterus. Synonym: graviditas exochorialis. (05 Mar 2000)
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1. Pregnancy in which the membranes rupture and shrink, causing the foetus to develop outside the chorionic sac but within the uterus. Synonym: graviditas exochorialis. (05 Mar 2000)