Author： Inion I
Publisher： Oxford University Press
ISSN： 1460-2350
Source： Human Reproduction, Vol.13, Iss.7, 1998-07, pp. : 1999-2001
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Abstract
We report a case of a triplet heterotopic pregnancy consisting of an intrauterine monozygous twin pregnancy and a tubal pregnancy after replacement of only two embryos in an in-vitro fertilization cycle with donor spermatozoa. This case demonstrates that sonographic demonstration of two intrauterine pregnancies after transfer of two embryos does not exclude the presence of an ectopic pregnancy. As both heterotopic pregnancy and spontaneous monozygotic twinning are more frequent after the use of assisted reproductive techniques, this combination, although extremely rare, must be kept in mind, especially in older patients with pre-existing tubal damage. Keywords:assisted reproduction/heterotopic pregnancy/monozygotic twinning
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