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Titolo:
EFFECTS OF FETAL NUMBER AND MULTIFETAL REDUCTION ON LENGTH OF IN-VITRO FERTILIZATION PREGNANCIES
Autore:
HANING RV; SEIFER DB; WHEELER CA; FRISHMAN GN; SILVER H; PIERCE DJ;
Indirizzi:
5793 CROWDER BLVD,B352 NEW ORLEANS LA 70127 BROWN UNIV,SCH MED,WOMEN & INFANTS HOSP,DEPT OBSTET & GYNECOL PROVIDENCE RI 02912
Titolo Testata:
Obstetrics and gynecology
fascicolo: 6, volume: 87, anno: 1996,
pagine: 964 - 968
SICI:
0029-7844(1996)87:6<964:EOFNAM>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTIPLE PREGNANCY; SELECTIVE REDUCTION; GESTATIONS; PUNCTURE; RELAXIN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
R.V. Haning et al., "EFFECTS OF FETAL NUMBER AND MULTIFETAL REDUCTION ON LENGTH OF IN-VITRO FERTILIZATION PREGNANCIES", Obstetrics and gynecology, 87(6), 1996, pp. 964-968

Abstract

Objective: To determine the effects of multifetal reduction and othervariables on the duration of gestation of in vitro fertilization (IVF) pregnancies. Methods: All 274 IVF pregnancies from the inception of the Women and Infants' Hospital IVF Program on May 26, 1988, until December 31, 1993, were evaluated.Results: Spontaneous reduction occurredin ten pregnancies, and multifetal reduction was elected in 28 multiple gestations. Among 260 pregnancies that remained viable beyond 20 weeks, 162 singletons (37.9 +/- 0.29 weeks; mean +/- standard error) hada longer mean gestation than did 64 twins (34.6 +/- 0.61 weeks), 25 pregnancies reduced to twins (33.4 +/- 1.0 weeks), or nine triplets (29.7 +/- 1.9 weeks). Triplets delivered 4.9 weeks earlier than nonreduced twins (P < .05) and 3.7 weeks before twins resulting from multifetalpregnancy reduction (P < .05). Regression analysis showed that at the8-week ultrasound, each viable fetus could be expected to reduce the duration of the gestation by about 3.6 weeks, and each fetus reduced medically or as a result of natural causes could be expected to prolongthe gestation by approximately 3.0 weeks. Only 14% of triplet pregnancies underwent spontaneous multifetal reduction. Conclusion: Multifetal reduction of pregnancies with three or more fetuses was beneficial and increased the duration of gestation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 07:21:13