Authors:
Abramov Y. Elchalal U. Schenker JG.
Institution:
Dr. Y. Abramov, Dept. of Obstetrics and Gynecology, Hadassah
Hebrew Univ. Medical "center", Ein-Kerem, Jerusalem 91120; Israel.
Title:
Obstetric outcome of in vitro fertilized pregnancies complicated by severe ovarian hyperstimulation syndrome: A multi"center" study.
Source:
Fertility and Sterility. Vol 70(6) (pp070-1076), 1998.
Abstract:
Objectives:
To assess the outcome of pregnancies conceived with the use of IVF that are complicated by severe ovarian hyperstimulation syndrome (OHSS).
Design:
A retrospective nationwide multi"center" study.
Setting:
Sixteen of 19 tertiary care medical "center"s in Israel.
Patients:
All patients undergoing IVF who were hospitalized for severe OHSS between January 1987 and December 1996.
Main Outcome Measure(s):
Pregnancy rate (PR) and rates of multiple gestation, miscarriage, ectopic pregnancy, obstetric complications, and intervention.
Results:
A total of 163 patients who had severe OHSS after IVF treatment were identified, of whom 142 (87.1%) had undergone ET. The clinical PR was 73.2%; 42.3% were singletons, 33.6% were twins, 17.3% were triplets, and 6.7% were quadruplets. The miscarriage rate was 29.8%, whereas the incidence of ectopic pregnancy was 1.9%. Forty-four percent of all births were premature, and 62.1% of all newborns had low birth weight. The most common antenatal complications were pregnancy-induced hypertension (13.2%), gestational diabetes (5.9%), and placental abruption (4.4%). The rate of cesarean section was 44.1%.
Conclusion(s):
Among patients who have severe OHSS after IVF treatment, the pregnancy rate and the rates of multiple gestation, miscarriage, prematurity, low birth weight, pregnancy- induced hypertension, gestational diabetes, and placental abruption are significantly higher than those reported previously for pregnancies conceived with the use of assisted reproductive techniques.
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