… There are many pathways leading to preterm birth and the … encompass a wide array of
measurement systems and clinical … of preterm birth, while obesity has been shown to be protective …

… ), were protective against preterm birth. The protective effect of work-leaves on preterm birth
seen in these … , while the ability to rest in the antenatal period was protective for preterm birth. …

… A notable protective effect against the recurrence of preterm birth was found, with an OR of
… half of the tests of stress measures and their association with preterm birth or gestational age …

Objectives The aim of the study was to: (1) Identify (early in pregnancy) psychosocial and
stress-related factors that predict risk of spontaneous preterm birth (PTB, gestational age <37 …

… measurement of the specific risk for every woman, by clinical cervical length measurements
… in the countries in Western Europe where protection against strenuous or difficult work for …

… -OHdG were protective against overall preterm birth (adjusted … in the protective effect in
cases of spontaneous preterm birth … Odds ratios for overall preterm birth were more protective in …

… ; birth defects; and intrauterine fetal growth failure. As our knowledge and understanding of
preterm birth … of assessment measures that may accurately predict preterm birth are available, …

… , public health programs, tobacco control, routine measurement of length of the cervix in mid-…
; but after 15 years or more, the protective effect was reversed and a higher risk of PTB than …

… history of spontaneous preterm birth in the last pregnancy, or a cervix measuring 1.5 cm on
… has been developed that is related to both reducing risk factors and promoting protective …

Preterm birth is defined as birth before 37 weeks’ gestational age. With an incidence of 7%
to 11%, it is one of the major causes of perinatal mortality and morbidity. Preterm birth is …