Assess cervical length measurement and evaluate risk for preterm birth based on gestational age and risk factors.
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How this calculator works
Shorter cervical length increases preterm birth risk. Cervical length < 25mm before 24 weeks indicates high risk.
Common questions about this calculator
Pregnancy calculators provide estimates based on standard formulas. Every pregnancy is unique. Always consult your OB-GYN or midwife for personalized care.