Human Reproduction, Vol 12, 805-808, Copyright © 1997 by Oxford University Press
BE Reubinoff, A Lewin, M Verner, A Safran, JG Schenker and D Abeliovich
A strategy for the prevention of repeated molar pregnancies by using
intracytoplasmic sperm injection (ICSI) coupled with preimplantation
genetic diagnosis (PGD) with fluorescence in-situ hybridization (FISH) was
developed. In this approach, complete moles which arise from dispermic
fertilization are avoided by the use of ICSI. ICSI is followed by
preimplantation selection against the transfer of 46,XX embryos, thus
preventing complete moles resulting from a fertilization of an inactive
oocyte, by a haploid X-bearing spermatozoon which subsequently duplicates.
Triploid partial moles which arise mainly from dispermic fertilization may
also be prevented by ICSI. The preimplantation confirmation of diploidy by
FISH guards against triploid partial moles which may result from mechanisms
other than dispermic fertilization. The employment of this strategy in an
attempt to prevent a repeated event of molar pregnancy in a patient with a
history of two previous episodes of gestational trophoblastic disease is
reported.
ARTICLES
Intracytoplasmic sperm injection combined with preimplantation genetic diagnosis for the prevention of recurrent gestational trophoblastic disease
Department of Obstetrics and Gynecology, Hadassah Ein Kerem Hebrew University Hospital, Jerusalem, Israel.
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