1974
DOI: 10.1515/jpme.1974.2.4.276
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A comparative study of the epidemiological data of pregnancies with and without tendencies to prematute delivery

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Cited by 15 publications
(6 citation statements)
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“…Numerous studies however, have shown that even after controlling for other risk factors, there is a direct effect of marital status on perinatal death,17J8 on premature delivery18J9 and on low birthweight among all c h i l d r e r~~~-~~ or among preterm babies. 22.…”
Section: Discussionmentioning
confidence: 99%
“…Numerous studies however, have shown that even after controlling for other risk factors, there is a direct effect of marital status on perinatal death,17J8 on premature delivery18J9 and on low birthweight among all c h i l d r e r~~~-~~ or among preterm babies. 22.…”
Section: Discussionmentioning
confidence: 99%
“…The extent to which anemias of pregnancy affect \ length of gestation and fetal growth varies among the many reports [l, 2,6,11,12,18,22]. Because the hemoglobin (Hb) normally decreases during pregnancy, results obtained at varying times during pregnancy (e.g.…”
Section: (1977) 172mentioning
confidence: 99%
“…[62][63][64][65][66][67][68][69][70][71] One study 72 was excluded on closer inspection because it used the same population as another included study. 68 Appendix 5, Table 68 summarises the salient characteristics of the included studies.…”
Section: Study Characteristics and Qualitymentioning
confidence: 99%
“…Most of the studies did not differentiate between previous single or multiple episodes of spontaneous preterm birth. Two studies evaluated the accuracy of previous history of two versus one spontaneous preterm birth, 65,71 while one study evaluated the accuracy of gestation at which the previous spontaneous preterm birth occurred in predicting spontaneous preterm birth in a subsequent pregnancy. 69 None of the studies fulfilled our criteria for an ideal quality study (consecutive, cohort, prospective, blinding in place, and adequate test description to allow for replication).…”
Section: Study Characteristics and Qualitymentioning
confidence: 99%