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Korean Journal of Obstetrics & Gynecology 2005;48(1):112-118.
Published online January 1, 2005.
Obstetrical outcome after oocyte donation in patients with premature ovarian failure.
Kwang Moon Yang, Hae Suk Kim, Hyun Kyung Ahn, Chan Woo Park, Hur Kuol, Inn Soo Kang, Mi Kyoung Koong
Department of Obstetrics and Gynecology, Samsung Cheil Hospital, Sungkyunkwan University, School of Medicine, Korea. ykm2955@hanmail.net
Abstract
OBJECTIVE
The purposes of this study are to evaluate the obstetric outcome in pregnancies resulting from oocyte donation and to assess the factors related to the obstetric complications. METHODS: The obstetric outcome in pregnancies from the oocyte donation (n=37) was compared with that in pregnancies from conventional IVF program (n=137) in our IVF center between January 1995 and December 2000. Control group was selected by age, parity, and order of gestation matched to the study group. Pregnancy induced hypertension (PIH) was defined as blood pressure >140/90 mmHg on two or more occasions at least 6 hours apart with or without proteinuria after 20 weeks of gestation and not associated with chronic hypertension. Small for gestational age (SGA) was defined as birth weight below tenth percentile for gestational weeks. The data was analyzed using the Statistical Package for Social Sciences (SPSS). RESULTS: Early pregnancy loss rates were 37.8% (14/37) and 23.4% (32/137) in study and control group, respectively (P>0.05). PIH related factors such as mean age, parity and order of gestation were not significantly different among the two groups. However, the incidence of PIH in oocyte donation group (30.0%, 6/20) was significantly higher than control group (8.8%,9/102). There was no significant difference in the incidence of SGA between the two groups. When oocyte donation group was stratified by relationship of oocyte donor to infertile patient (sibling versus non-sibling), the incidence of early pregnancy loss and PIH was significantly higher (chi square test, P<0.05) in non-sibling group (42.3%, 11/26; 38.5%, 5/13) than in control group (23.4%, 32/137; 8.8%, 9/102). CONCLUSION: The incidence of PIH was significantly higher in pregnancies after oocyte donation. Notably, the pregnancies from non-sibling oocyte donors had much higher incidence of early pregnancy loss and PIH than pregnancies from sibling oocyte donors or control group. Therefore, the occurrence of early pregnancy loss and PIH may be related to other factors than age, parity or multiple pregnancy.
Key Words: Premature ovarian failure, Oocyte donation, Pregnancy induced hypertension (PIH)


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