{"id":"https://openalex.org/W1970985195","doi":"https://doi.org/10.1111/1471-0528.13031","title":"A randomised controlled double\u2010blind clinical trial of 17\u2010hydroxyprogesterone caproate for the prevention of preterm birth in twin gestation ( PROGESTWIN ): evidence for reduced neonatal morbidity","display_name":"A randomised controlled double\u2010blind clinical trial of 17\u2010hydroxyprogesterone caproate for the prevention of preterm birth in twin gestation ( PROGESTWIN ): evidence for reduced neonatal morbidity","publication_year":2014,"publication_date":"2014-08-27","ids":{"openalex":"https://openalex.org/W1970985195","doi":"https://doi.org/10.1111/1471-0528.13031","mag":"1970985195","pmid":"https://pubmed.ncbi.nlm.nih.gov/25163819"},"language":"en","primary_location":{"id":"doi:10.1111/1471-0528.13031","doi":"https://doi.org/10.1111/1471-0528.13031","is_oa":false,"landing_page_url":"https://doi.org/10.1111/1471-0528.13031","pdf_url":null,"source":{"id":"https://openalex.org/S4210173111","display_name":"BJOG An International Journal of Obstetrics & Gynaecology","issn_l":"0306-5456","issn":["0306-5456","1365-215X","1470-0328","1471-0528"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BJOG: An International Journal of Obstetrics &amp; Gynaecology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005213429","display_name":"Johnny T. Awwad","orcid":"https://orcid.org/0000-0002-9543-042X","observed_orcids":["https://orcid.org/0000-0002-9543-042X"]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"J Awwad","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109075712","display_name":"Ihab M. Usta","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"IM Usta","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028347976","display_name":"Ghina Said Ghazeeri","orcid":"https://orcid.org/0000-0003-4902-6124","observed_orcids":["https://orcid.org/0000-0003-4902-6124"]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"G Ghazeeri","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"middle","author":{"id":null,"display_name":"N Yacoub","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"N Yacoub","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015686178","display_name":"Julien Succar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"J Succar","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084303286","display_name":"Salim S. Hayek","orcid":"https://orcid.org/0000-0003-0180-349X","observed_orcids":["https://orcid.org/0000-0003-0180-349X"]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"S Hayek","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051758955","display_name":"Wael Saasouh","orcid":"https://orcid.org/0000-0002-2235-0146","observed_orcids":["https://orcid.org/0000-0002-2235-0146"]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"W Saasouh","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014539453","display_name":"AH Nassar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210104580","display_name":"American University of Beirut Medical Center","ror":"https://ror.org/00wmm6v75","country_code":"LB","type":"healthcare","lineage":["https://openalex.org/I4210104580"]}],"countries":["LB"],"is_corresponding":true,"raw_author_name":"AH Nassar","raw_affiliation_strings":["Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon;","institution_ids":["https://openalex.org/I4210104580"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5014539453"],"corresponding_institution_ids":["https://openalex.org/I4210104580"],"apc_list":{"value":5190,"currency":"USD","value_usd":5190},"apc_paid":null,"fwci":6.7861,"has_fulltext":false,"cited_by_count":42,"citation_normalized_percentile":{"value":0.96926271,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"122","issue":"1","first_page":"71","last_page":"79"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9535999894142151,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9535999894142151,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11732","display_name":"Assisted Reproductive Technology and Twin Pregnancy","score":0.017999999225139618,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11060","display_name":"Infant Development and Preterm Care","score":0.009800000116229057,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/17alpha-hydroxyprogesterone-caproate","display_name":"17-hydroxyprogesterone caproate","score":0.9290000200271606},{"id":"https://openalex.org/keywords/preterm-birth-prevention","display_name":"preterm birth prevention","score":0.8709999918937683},{"id":"https://openalex.org/keywords/twin-pregnancy","display_name":"twin pregnancy","score":0.9670000076293945},{"id":"https://openalex.org/keywords/gestational-age-at-birth","display_name":"gestational age at delivery","score":0.781000018119812},{"id":"https://openalex.org/keywords/neonatal-morbidity","display_name":"neonatal morbidity","score":0.9850000143051147},{"id":"https://openalex.org/keywords/respiratory-distress-syndrome","display_name":"respiratory distress syndrome","score":0.9810000061988831},{"id":"https://openalex.org/keywords/retinopathy-of-prematurity","display_name":"retinopathy of prematurity","score":0.9959999918937683},{"id":"https://openalex.org/keywords/neonatal-sepsis","display_name":"neonatal sepsis","score":0.9649999737739563},{"id":"https://openalex.org/keywords/progestogens","display_name":"progestogens","score":0.49399998784065247},{"id":"https://openalex.org/keywords/placental-insufficiency","display_name":"placental insufficiency","score":0.5199999809265137}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8936465978622437},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.7128496170043945},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.6797864437103271},{"id":"https://openalex.org/C2778376644","wikidata":"https://www.wikidata.org/wiki/Q2253111","display_name":"Gestational age","level":3,"score":0.5489193201065063},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.54339998960495},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5067389607429504},{"id":"https://openalex.org/C2778721537","wikidata":"https://www.wikidata.org/wiki/Q922640","display_name":"Bronchopulmonary dysplasia","level":4,"score":0.49875307083129883},{"id":"https://openalex.org/C2779918416","wikidata":"https://www.wikidata.org/wiki/Q1423087","display_name":"Retinopathy of prematurity","level":4,"score":0.4910402297973633},{"id":"https://openalex.org/C27081682","wikidata":"https://www.wikidata.org/wiki/Q269829","display_name":"Placebo","level":3,"score":0.47786515951156616},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.4588935375213623},{"id":"https://openalex.org/C141983124","wikidata":"https://www.wikidata.org/wiki/Q188008","display_name":"Respiratory distress","level":2,"score":0.4561942219734192},{"id":"https://openalex.org/C2776344615","wikidata":"https://www.wikidata.org/wiki/Q625506","display_name":"Premature birth","level":4,"score":0.4525226950645447},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.44572603702545166},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.23953190445899963},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.1777375340461731},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000077713","descriptor_name":"17 alpha-Hydroxyprogesterone Caproate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004311","descriptor_name":"Double-Blind Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005865","descriptor_name":"Gestational Age","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006908","descriptor_name":"Hydroxyprogesterones","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D007231","descriptor_name":"Infant, Newborn","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007234","descriptor_name":"Infant, Premature","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007273","descriptor_name":"Injections, Intramuscular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011262","descriptor_name":"Pregnancy Trimester, Second","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011263","descriptor_name":"Pregnancy Trimester, Third","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011372","descriptor_name":"Progestins","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D012127","descriptor_name":"Respiratory Distress Syndrome, Newborn","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D012178","descriptor_name":"Retinopathy of Prematurity","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018805","descriptor_name":"Sepsis","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D019102","descriptor_name":"Infant, Very Low Birth Weight","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D047928","descriptor_name":"Premature Birth","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D059285","descriptor_name":"Pregnancy, Twin","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1111/1471-0528.13031","doi":"https://doi.org/10.1111/1471-0528.13031","is_oa":false,"landing_page_url":"https://doi.org/10.1111/1471-0528.13031","pdf_url":null,"source":{"id":"https://openalex.org/S4210173111","display_name":"BJOG An International Journal of Obstetrics & Gynaecology","issn_l":"0306-5456","issn":["0306-5456","1365-215X","1470-0328","1471-0528"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BJOG: An International Journal of Obstetrics &amp; Gynaecology","raw_type":"journal-article"},{"id":"pmid:25163819","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/25163819","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BJOG : an international journal of obstetrics and gynaecology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Randomized Controlled Trial","id":"https://openalex.org/study-designs/randomized-controlled-trial"},{"display_name":"Clinical Trial","id":"https://openalex.org/study-designs/clinical-trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W204960100","https://openalex.org/W1972534525","https://openalex.org/W1981357866","https://openalex.org/W1990474798","https://openalex.org/W1993847793","https://openalex.org/W1998601355","https://openalex.org/W2000556037","https://openalex.org/W2001450496","https://openalex.org/W2003105309","https://openalex.org/W2005426397","https://openalex.org/W2005894872","https://openalex.org/W2039100882","https://openalex.org/W2039978721","https://openalex.org/W2045199934","https://openalex.org/W2047753213","https://openalex.org/W2052620084","https://openalex.org/W2055316985","https://openalex.org/W2063963487","https://openalex.org/W2065614074","https://openalex.org/W2072552999","https://openalex.org/W2072628963","https://openalex.org/W2075719860","https://openalex.org/W2080446649","https://openalex.org/W2081987064","https://openalex.org/W2123518700","https://openalex.org/W2127120959","https://openalex.org/W2144088431","https://openalex.org/W2144171496","https://openalex.org/W2150079193","https://openalex.org/W2157747855","https://openalex.org/W2160198134","https://openalex.org/W2163279979","https://openalex.org/W2163405413","https://openalex.org/W2396123831","https://openalex.org/W4242828279"],"related_works":["https://openalex.org/W2312836853","https://openalex.org/W204960100","https://openalex.org/W2944543568","https://openalex.org/W2055316985","https://openalex.org/W3021103002","https://openalex.org/W1966694343","https://openalex.org/W2033618923","https://openalex.org/W2150079193","https://openalex.org/W2919781792","https://openalex.org/W2406930379"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"determine":[2],"whether":[3],"17":[4],"alpha-hydroxyprogesterone":[5],"caproate":[6],"(17OHPC)":[7],"prolongs":[8],"gestation":[9,14,240],"beyond":[10],"37":[11,90,237],"weeks":[12,64,91,118,238],"of":[13,48,65,92,111,119,127,201,239],"(primary":[15],"outcome)":[16,22],"and":[17,116,214,252],"reduces":[18],"neonatal":[19,164,249],"morbidity":[20,165,250],"(secondary":[21],"in":[23,100,108,135,241],"twin":[24,41,243],"pregnancy.":[25],"DESIGN:":[26],"Randomised":[27],"controlled":[28],"double-blind":[29],"clinical":[30],"trial.":[31],"SETTING:":[32],"Tertiary-care":[33],"university":[34],"medical":[35],"centre.":[36],"POPULATION:":[37],"Unselected":[38],"women":[39],"with":[40,141,168,181],"pregnancies.":[42,244],"METHODS:":[43],"Participants":[44],"received":[45],"weekly":[46],"injections":[47],"250":[49],"mg":[50],"17OHPC":[51,137,230,246],"(n":[52,57],"=":[53,58,155,179,198,212,226],"194)":[54],"or":[55,107],"placebo":[56,142,169],"94),":[59],"from":[60],"16-20":[61],"to":[62],"36":[63],"gestation.":[66,93],"Randomisation":[67],"was":[68,132],"performed":[69],"using":[70],"the":[71,101,109,122,136],"permuted-block":[72],"randomisation":[73],"method.":[74],"Data":[75],"were":[76,96],"analysed":[77],"on":[78],"an":[79],"intention-to-treat":[80],"basis.":[81],"MAIN":[82],"OUTCOME":[83],"MEASURE:":[84],"Preterm":[85],"birth":[86],"(PTB)":[87],"rate":[88],"before":[89,113,236],"RESULTS:":[94],"There":[95],"no":[97],"significant":[98],"differences":[99],"average":[102],"gestational":[103],"age":[104],"at":[105],"delivery,":[106],"rates":[110],"PTB":[112,235],"37,":[114],"32,":[115],"28":[117],"gestation,":[120],"between":[121],"two":[123],"groups.":[124],"The":[125],"proportion":[126],"very-low-birthweight":[128],"neonates":[129,158],"(<1500":[130],"g)":[131],"significantly":[133,161,182,247],"lower":[134,162,183],"group":[138],"(7.6%)":[139],"compared":[140,167],"(14.3%)":[143],"(relative":[144],"risk,":[145],"RR":[146],"0.5;":[147],"95%":[148,151,175,194,208,222],"confidence":[149],"interval,":[150],"CI":[152,176,195,209,223],"0.3-0.9;":[153],"P":[154,178,197,211,225],"0.01).":[156],"Progestogen-treated":[157],"had":[159],"a":[160],"composite":[163],"(19.1%)":[166],"(30.9%)":[170],"(odds":[171],"ratio,":[172],"OR":[173,192,206,220],"0.53;":[174],"0.31-0.90;":[177],"0.02),":[180],"odds":[184],"for":[185],"respiratory":[186],"distress":[187],"syndrome":[188],"(14.4":[189],"versus":[190,204,218],"23.4%;":[191],"0.55;":[193],"0.31-0.98;":[196],"0.04),":[199,213],"retinopathy":[200],"prematurity":[202],"(1.1":[203],"4.6%;":[205],"0.21;":[207],"0.05-0.96;":[210],"culture-confirmed":[215],"sepsis":[216],"(3.4":[217],"12.8%;":[219],"0.24;":[221],"0.10-0.57;":[224],"0.00).":[227],"CONCLUSIONS:":[228],"Intramuscular":[229],"therapy":[231],"did":[232],"not":[233],"reduce":[234],"unselected":[242],"Nonetheless,":[245],"reduced":[248],"parameters":[251],"increased":[253],"birthweight.":[254]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
