Influence of gestational age and reason for prior preterm birth on rates of recurrent preterm delivery. 2011

Victor Hugo Gonzalez-Quintero, and Yvette C Cordova, and Niki B Istwan, and Felipe Tudela, and Debbie J Rhea, and Letty Maria Romary, and Adrian Marimon, and Cheryl N Desch, and Gary J Stanziano
Department of Obstetrics and Gynecology, University of Miami School of Medicine, Miami, FL, USA.

OBJECTIVE We sought to compare rates of recurrent spontaneous preterm birth (SPTB) in women receiving 17-α-hydroxyprogesterone caproate (17P) with prior SPTB due to preterm labor (PTL) vs preterm premature rupture of membranes (PPROM). METHODS Women with singleton gestation having 1 prior SPTB enrolled at 16-24.9 weeks' gestation for weekly outpatient 17P administration were identified from a database. Rates of recurrent SPTB were compared between those with prior SPTB due to PTL or PPROM overall and by gestational age at prior SPTB. RESULTS Records from 2123 women were analyzed. The prior PTL group vs the prior PPROM group experienced higher rates of recurrent SPTB at <37 weeks (29.7% vs 22.9%, P = .004), <35 weeks (14.0% vs 9.1%, P = .004), and <32 weeks (5.9% vs 3.3%, P = .024), respectively. CONCLUSIONS Reason and gestational age of prior SPTB influence the likelihood of recurrent SPTB in women receiving 17P prophylaxis.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007234 Infant, Premature A human infant born before 37 weeks of GESTATION. Neonatal Prematurity,Premature Infants,Preterm Infants,Infant, Preterm,Infants, Premature,Infants, Preterm,Premature Infant,Prematurity, Neonatal,Preterm Infant
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011372 Progestins Compounds that interact with PROGESTERONE RECEPTORS in target tissues to bring about the effects similar to those of PROGESTERONE. Primary actions of progestins, including natural and synthetic steroids, are on the UTERUS and the MAMMARY GLAND in preparation for and in maintenance of PREGNANCY. Gestagenic Agent,Progestagen,Progestagenic Agent,Progestational Agent,Progestational Compound,Progestational Hormone,Progestogen,Progestogens,Gestagen,Gestagen Effect,Gestagen Effects,Gestagenic Agents,Gestagenic Effect,Gestagenic Effects,Gestagens,Progestagenic Agents,Progestagens,Progestational Agents,Progestational Compounds,Progestational Hormones,Progestin,Progestin Effect,Progestin Effects,Progestogen Effect,Progestogen Effects,Agent, Gestagenic,Agent, Progestagenic,Agent, Progestational,Compound, Progestational,Effect, Gestagen,Effect, Gestagenic,Effect, Progestin,Effect, Progestogen,Effects, Gestagen,Effects, Gestagenic,Effects, Progestin,Effects, Progestogen,Hormone, Progestational
D005260 Female Females
D005322 Fetal Membranes, Premature Rupture Spontaneous tearing of the membranes surrounding the FETUS any time before the onset of OBSTETRIC LABOR. Preterm PROM is membrane rupture before 37 weeks of GESTATION. Premature Rupture of Membrane (Pregnancy),PROM (Pregnancy),Premature Rupture of Fetal Membranes,Preterm PROM (Pregnancy),Preterm Premature Rupture of Fetal Membranes,Membrane Premature Rupture (Pregnancy),Membrane Premature Ruptures (Pregnancy),PROM, Preterm (Pregnancy)
D005865 Gestational Age The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination. Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006908 Hydroxyprogesterones Metabolites or derivatives of PROGESTERONE with hydroxyl group substitution at various sites.
D000077713 17 alpha-Hydroxyprogesterone Caproate Hydroxyprogesterone derivative that acts as a PROGESTIN and is used to reduce the risk of recurrent MISCARRIAGE and of PREMATURE BIRTH. It is also used in combination with ESTROGEN in the management of MENSTRUATION DISORDERS. 17 alpha-Oxyprogesterone Capronate,17-Hydroxyprogesterone Capronate,17-alpha-Hydroxy-Progesterone Caproate,Delalutin,Hydroxyprogesterone Caproate,Hydroxyprogesterone Hexanoate,Makena,Neolutin,Oxyprogesterone Caproate,Prolutin Depot,Proluton Depot,17 Hydroxyprogesterone Capronate,17 alpha Hydroxy Progesterone Caproate,17 alpha Hydroxyprogesterone Caproate,17 alpha Oxyprogesterone Capronate,Caproate, 17-alpha-Hydroxy-Progesterone

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