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[0] A woman at 26 weeks of gestation is being assessed to determine whether she is experiencing preterm labor. What finding indicates that preterm labor is occurring? [1] Estriol is not found in maternal saliva. [2] Irregular, mild uterine contractions are occurring every 12 to 15 minutes. [3] Fetal fibronectin is present in vaginal secretions. [4] 
>>The cervix is effacing and dilated to 2 cm.
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