Violaine Peyronnet1, Olivia Anselem2, Laurence Loeuillet3, Nathalie Roux3, Vassilis Tsatsaris2,4. 1. Maternité Louis Mourier, Université de Paris, Assistance Publique- Hôpitaux de Paris, Colombes, France. 2. Maternité Port-Royal, Université Paris Descartes, Groupe hospitalier Cochin Broca Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France. 3. Department of Histology, Embryology and Cytogenetics, Fetal Pathology Unit, Necker-Enfants Malades Hospital, APHP, Paris, France. 4. Université de Paris, Paris, France.
Abstract
BACKGROUND: In early terminations of pregnancy for fetal anomaly (TOPFA) without identified cytogenetic abnormality, a fetal autopsy is recommended for diagnostic purposes, to guide genetic counseling. Medical induction, which allows analysis of a complete fetus, is generally preferred over surgical vacuum aspiration. Our objective was to assess the diagnostic value of fetal autopsies in these early terminations, relative to the first-trimester ultrasound, overall and by termination method. MATERIALS: For this retrospective study at the Port Royal Maternity Hospital, we identified all TOPFA performed from 11 weeks to 16 weeks diagnosed at the first-trimester ultrasound in cases with a normal karyotype. The principal endpoint was the additional value of the autopsy over /compared to the ultrasound and its impact on genetic counseling, globally and by termination method. The secondary objective was to compare the complication rate by method of termination. RESULTS: The study included 79 women during period of 2013-2017: 42 with terminations by medical induction and 37 by aspiration. Fetal autopsy found additional abnormalities in 54.4% of cases, more frequently after medical induction (77.5%) than after aspiration (21.4%, p < .01). Genetic counseling was modified in 20.6% of cases, more often after induction (32.5% vs 3.6%, p < .01). The length of stay was significantly longer and a secondary aspiration was required in 16,7% of case in the medical induction group (p < .01). CONCLUSION: Medically induced vaginal expulsion appears preferable and can change genetic counseling for subsequent pregnancies.
BACKGROUND: In early terminations of pregnancy for fetal anomaly (TOPFA) without identified cytogenetic abnormality, a fetal autopsy is recommended for diagnostic purposes, to guide genetic counseling. Medical induction, which allows analysis of a complete fetus, is generally preferred over surgical vacuum aspiration. Our objective was to assess the diagnostic value of fetal autopsies in these early terminations, relative to the first-trimester ultrasound, overall and by termination method. MATERIALS: For this retrospective study at the Port Royal Maternity Hospital, we identified all TOPFA performed from 11 weeks to 16 weeks diagnosed at the first-trimester ultrasound in cases with a normal karyotype. The principal endpoint was the additional value of the autopsy over /compared to the ultrasound and its impact on genetic counseling, globally and by termination method. The secondary objective was to compare the complication rate by method of termination. RESULTS: The study included 79 women during period of 2013-2017: 42 with terminations by medical induction and 37 by aspiration. Fetal autopsy found additional abnormalities in 54.4% of cases, more frequently after medical induction (77.5%) than after aspiration (21.4%, p < .01). Genetic counseling was modified in 20.6% of cases, more often after induction (32.5% vs 3.6%, p < .01). The length of stay was significantly longer and a secondary aspiration was required in 16,7% of case in the medical induction group (p < .01). CONCLUSION: Medically induced vaginal expulsion appears preferable and can change genetic counseling for subsequent pregnancies.
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