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Twin pregnancies with single fetal death
H J Prömpeler1, H Madjar, W Klosa
1Department of Obstetrics and Gynecology, University of Freiburg, Germany.
Acta Obstetricia Et Gynecologica Scandinavica
|March 1, 1994
Summary
Losing one twin in the first trimester poses no risk to the survivor. However, second-trimester fetal death increases risks for the surviving twin, including preterm delivery and growth issues.
Area of Science:
- Perinatology
- Maternal-Fetal Medicine
- Reproductive Medicine
Background:
- Twin pregnancies present unique challenges in fetal development and survival.
- Single fetal demise in utero requires careful monitoring of the surviving twin.
Purpose of the Study:
- To analyze the fetal outcome of surviving twins following a single fetal death.
- To determine the impact of gestational age at fetal demise on the survivor's outcome.
Main Methods:
- Retrospective analysis of 43 twin pregnancies with single fetal death between 1979 and 1992.
- Stratification of cases into three groups based on gestational age at fetal death: before 16 weeks, 17-24 weeks, and after 24 weeks.
Main Results:
- First-trimester demise (before 16 weeks) resulted in uncomplicated pregnancies.
- Second and third-trimester demise (after 17 weeks) led to 50% preterm delivery, 59% cesarean section, 22% growth retardation, and 13% perinatal mortality.
- 78% of surviving twins demonstrated normal postnatal development; 3% were handicapped.
Conclusions:
- First-trimester single fetal death does not negatively impact the surviving twin's development.
- Second-trimester fetal demise is associated with significantly increased risks for the survivor, including growth retardation, preterm labor, and perinatal mortality.