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Premature Labor

Signs & Symptoms

 Maternal infections
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Previous induced abortion
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Radical diathermy
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Laser conization
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]

Physical Examination

 Advanced cervical dilation
Note: Cervical dilation ≥3 cm supports the diagnosis of preterm labor.
Ref: Uptodate [ Diagnosis of preterm labor] Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Cervical effacement
Ref: Uptodate [ Diagnosis of preterm labor]
Contractions and cervical change
Ref: Uptodate [ Diagnosis of preterm labor]

Lab / Serology

 Bacteriuria
Note: due to Urinary tract infections
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Elevated WBC count
Note: due to infection
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Decreased hemoglobin
Note: due to prenatal hemorrhage, due to antepartum hemorrhage
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]

Imagin Study

 Reduced Cervical length
Note: <2cm, On speculum examination of the cervix, a short cervical length is associated with increased risk of preterm labor
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Frequent uterine contractions
Note: >1 contraction every 10 minutes
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Positive fetal fibronectin test
Ref: Uptodate [ Diagnosis of preterm labor] Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]

Complication

Risk Factors

 Alcohol
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Smoking
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Stress
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]

Cause

 Placenta previa
Ref: Uptodate [ Diagnosis of preterm labor]
Positive urine culture
Ref: Uptodate [ Diagnosis of preterm labor] Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]
Leukocytes in urine
Ref: Epocrates [ https://online.epocrates.com/diseases/100232/Premature-labor/Risk-Factors]

Other